diff --git a/doc/source/library/clients.rst b/doc/source/library/clients.rst
index 086cfc9..0f4ba4c 100644
--- a/doc/source/library/clients.rst
+++ b/doc/source/library/clients.rst
@@ -16,9 +16,18 @@
 The ``ServiceClients`` class provides a convenient way to get access to all
 available service clients initialized with a provided set of credentials.
 
-------------------
-The clients module
-------------------
+-----------------------------
+The clients management module
+-----------------------------
 
 .. automodule:: tempest.lib.services.clients
    :members:
+
+------------------------------
+Compute service client modules
+------------------------------
+
+.. toctree::
+   :maxdepth: 2
+
+   service_clients/compute_clients
diff --git a/doc/source/library/service_clients/compute_clients.rst b/doc/source/library/service_clients/compute_clients.rst
new file mode 100644
index 0000000..4ca55d4
--- /dev/null
+++ b/doc/source/library/service_clients/compute_clients.rst
@@ -0,0 +1,7 @@
+.. _servers_client:
+
+Compute Client Usage
+====================
+
+.. automodule:: tempest.lib.services.compute.servers_client
+   :members:
diff --git a/doc/source/microversion_testing.rst b/doc/source/microversion_testing.rst
index 6b87b4d..572d425 100644
--- a/doc/source/microversion_testing.rst
+++ b/doc/source/microversion_testing.rst
@@ -243,3 +243,7 @@
  * `2.37`_
 
  .. _2.37: http://docs.openstack.org/developer/nova/api_microversion_history.html#id34
+
+ * `2.42`_
+
+ .. _2.42: http://docs.openstack.org/developer/nova/api_microversion_history.html#maximum-in-ocata
diff --git a/releasenotes/notes/12.2.0-clients_module-16f3025f515bf9ec.yaml b/releasenotes/notes/12.2.0-clients_module-16f3025f515bf9ec.yaml
index 484d543..d07448a 100644
--- a/releasenotes/notes/12.2.0-clients_module-16f3025f515bf9ec.yaml
+++ b/releasenotes/notes/12.2.0-clients_module-16f3025f515bf9ec.yaml
@@ -4,7 +4,7 @@
     plugins to declare and automatically register any service client defined
     in the plugin.
   - tempest.lib exposes a new stable interface, the clients module and
-    ServiceClients class, which provides a convinient way for plugin tests to
+    ServiceClients class, which provides a convenient way for plugin tests to
     access service clients defined in Tempest as well as service clients
     defined in all loaded plugins.
     The new ServiceClients class only exposes for now the service clients
diff --git a/releasenotes/notes/13.0.0-move-call-until-true-to-tempest-lib-c9ea70dd6fe9bd15.yaml b/releasenotes/notes/13.0.0-move-call-until-true-to-tempest-lib-c9ea70dd6fe9bd15.yaml
index 543cf7b..52c04af 100644
--- a/releasenotes/notes/13.0.0-move-call-until-true-to-tempest-lib-c9ea70dd6fe9bd15.yaml
+++ b/releasenotes/notes/13.0.0-move-call-until-true-to-tempest-lib-c9ea70dd6fe9bd15.yaml
@@ -2,4 +2,4 @@
 deprecations:
   - The ``call_until_true`` function is moved from the ``tempest.test`` module
    to the ``tempest.lib.common.utils.test_utils`` module. Backward
-   compatibilty is preserved until Ocata.
+   compatibility is preserved until Ocata.
diff --git a/releasenotes/notes/13.0.0-tempest-cleanup-nostandalone-39df2aafb2545d35.yaml b/releasenotes/notes/13.0.0-tempest-cleanup-nostandalone-39df2aafb2545d35.yaml
index 20f310d..813e47f 100644
--- a/releasenotes/notes/13.0.0-tempest-cleanup-nostandalone-39df2aafb2545d35.yaml
+++ b/releasenotes/notes/13.0.0-tempest-cleanup-nostandalone-39df2aafb2545d35.yaml
@@ -1,5 +1,5 @@
 ---
 upgrade:
-  - the already depreacted tempest-cleanup standalone command has been
+  - the already deprecated tempest-cleanup standalone command has been
     removed. The corresponding functionalities can be accessed through
     the unified `tempest` command (`tempest cleanup`).
diff --git a/releasenotes/notes/add-implied-roles-to-roles-client-library-edf96408ad9ba82e.yaml b/releasenotes/notes/add-implied-roles-to-roles-client-library-edf96408ad9ba82e.yaml
new file mode 100644
index 0000000..9116ef8
--- /dev/null
+++ b/releasenotes/notes/add-implied-roles-to-roles-client-library-edf96408ad9ba82e.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Add the implied roles feature API to the roles_client library. This
+    feature enables the possibility to create inferences rules between
+    roles (a role being implied by another role).
diff --git a/releasenotes/notes/remove-deprecated-compute-microversion-config-options-eaee6a7d2f8390a8.yaml b/releasenotes/notes/remove-deprecated-compute-microversion-config-options-eaee6a7d2f8390a8.yaml
new file mode 100644
index 0000000..b1c0c62
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-compute-microversion-config-options-eaee6a7d2f8390a8.yaml
@@ -0,0 +1,9 @@
+---
+upgrade:
+  - The deprecated compute microversion config options from
+    'compute-feature-enabled' group have been removed. Those config options
+    are available under 'compute' group to configure the min and max
+    microversion for compute service.
+
+    * CONF.compute.min_microversion
+    * CONF.compute.max_microversion
diff --git a/releasenotes/notes/remove-deprecated-compute-validation-config-options-e3d1b89ce074d71c.yaml b/releasenotes/notes/remove-deprecated-compute-validation-config-options-e3d1b89ce074d71c.yaml
new file mode 100644
index 0000000..8665b8b
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-compute-validation-config-options-e3d1b89ce074d71c.yaml
@@ -0,0 +1,14 @@
+---
+upgrade:
+  - |
+    Below deprecated config options from compute group have been removed.
+    Corresponding config options already been available in validation group.
+
+    - ``compute.use_floatingip_for_ssh`` (available as ``validation.connect_method``)
+    - ``compute.ssh_auth_method`` (available as ``validation.auth_method``)
+    - ``compute.image_ssh_password`` (available as ``validation.image_ssh_password``)
+    - ``compute.ssh_shell_prologue`` (available as ``validation.ssh_shell_prologue``)
+    - ``compute.ping_size `` (available as ``validation.ping_size``)
+    - ``compute.ping_count `` (available as ``validation.ping_count``)
+    - ``compute.floating_ip_range `` (available as ``validation.floating_ip_range``)
+
diff --git a/releasenotes/notes/remove-deprecated-input-scenario-config-options-414e0c5442e967e9.yaml b/releasenotes/notes/remove-deprecated-input-scenario-config-options-414e0c5442e967e9.yaml
new file mode 100644
index 0000000..371c061
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-input-scenario-config-options-414e0c5442e967e9.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - The deprecated input-scenario config options and group
+    have been removed.
+    The input scenarios functionality already being removed from tempest
+    and from this release, their corresponding config options too.
diff --git a/releasenotes/notes/remove-deprecated-network-config-options-f9ce276231578fe6.yaml b/releasenotes/notes/remove-deprecated-network-config-options-f9ce276231578fe6.yaml
new file mode 100644
index 0000000..e445fb3
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-network-config-options-f9ce276231578fe6.yaml
@@ -0,0 +1,11 @@
+---
+upgrade:
+  - |
+    Below deprecated network config options have been removed.
+    Those config options already been renamed to below meaningful names.
+
+    - ``tenant_network_cidr`` (removed) -> ``project_network_cidr``
+    - ``tenant_network_mask_bits`` (removed) -> ``project_network_mask_bits``
+    - ``tenant_network_v6_cidr`` (removed) -> ``project_network_v6_cidr``
+    - ``tenant_network_v6_mask_bits`` (removed) -> ``project_network_v6_mask_bits``
+    - ``tenant_networks_reachable`` (removed) -> ``project_networks_reachable``
diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index 8eac1d0..cea76b4 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -6,6 +6,8 @@
     :maxdepth: 1
 
     unreleased
+    v15.0.0
+    v14.0.0
     v13.0.0
     v12.0.0
     v11.0.0
diff --git a/releasenotes/source/v14.0.0.rst b/releasenotes/source/v14.0.0.rst
new file mode 100644
index 0000000..440c85b
--- /dev/null
+++ b/releasenotes/source/v14.0.0.rst
@@ -0,0 +1,6 @@
+=====================
+v14.0.0 Release Notes
+=====================
+
+.. release-notes:: 14.0.0 Release Notes
+   :version: 14.0.0
diff --git a/releasenotes/source/v15.0.0.rst b/releasenotes/source/v15.0.0.rst
new file mode 100644
index 0000000..2ee1894
--- /dev/null
+++ b/releasenotes/source/v15.0.0.rst
@@ -0,0 +1,6 @@
+=====================
+v15.0.0 Release Notes
+=====================
+
+.. release-notes:: 15.0.0 Release Notes
+   :version: 15.0.0
diff --git a/tempest/api/compute/admin/test_aggregates_negative.py b/tempest/api/compute/admin/test_aggregates_negative.py
index deded73..00107cd 100644
--- a/tempest/api/compute/admin/test_aggregates_negative.py
+++ b/tempest/api/compute/admin/test_aggregates_negative.py
@@ -34,7 +34,6 @@
     def resource_setup(cls):
         super(AggregatesAdminNegativeTestJSON, cls).resource_setup()
         cls.aggregate_name_prefix = 'test_aggregate'
-        cls.az_name_prefix = 'test_az'
 
         hosts_all = cls.os_adm.hosts_client.list_hosts()['hosts']
         hosts = ([host['host_name']
diff --git a/tempest/api/compute/admin/test_flavors.py b/tempest/api/compute/admin/test_flavors.py
index 3fd1612..0a9db46 100644
--- a/tempest/api/compute/admin/test_flavors.py
+++ b/tempest/api/compute/admin/test_flavors.py
@@ -33,12 +33,6 @@
             raise cls.skipException(msg)
 
     @classmethod
-    def setup_clients(cls):
-        super(FlavorsAdminTestJSON, cls).setup_clients()
-        cls.client = cls.os_adm.flavors_client
-        cls.user_client = cls.os.flavors_client
-
-    @classmethod
     def resource_setup(cls):
         super(FlavorsAdminTestJSON, cls).resource_setup()
 
@@ -50,50 +44,22 @@
         cls.swap = 1024
         cls.rxtx = 2
 
-    def flavor_clean_up(self, flavor_id):
-        self.client.delete_flavor(flavor_id)
-        self.client.wait_for_resource_deletion(flavor_id)
-
-    def _create_flavor(self, flavor_id):
-        # Create a flavor and ensure it is listed
-        # This operation requires the user to have 'admin' role
-        flavor_name = data_utils.rand_name(self.flavor_name_prefix)
-
-        # Create the flavor
-        flavor = self.client.create_flavor(name=flavor_name,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=flavor_id,
-                                           ephemeral=self.ephemeral,
-                                           swap=self.swap,
-                                           rxtx_factor=self.rxtx)['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
-        self.assertEqual(flavor['name'], flavor_name)
-        self.assertEqual(flavor['vcpus'], self.vcpus)
-        self.assertEqual(flavor['disk'], self.disk)
-        self.assertEqual(flavor['ram'], self.ram)
-        self.assertEqual(flavor['swap'], self.swap)
-        self.assertEqual(flavor['rxtx_factor'], self.rxtx)
-        self.assertEqual(flavor['OS-FLV-EXT-DATA:ephemeral'],
-                         self.ephemeral)
-        self.assertEqual(flavor['os-flavor-access:is_public'], True)
-
-        # Verify flavor is retrieved
-        flavor = self.client.show_flavor(flavor['id'])['flavor']
-        self.assertEqual(flavor['name'], flavor_name)
-
-        return flavor['id']
-
     @decorators.idempotent_id('8b4330e1-12c4-4554-9390-e6639971f086')
     def test_create_flavor_with_int_id(self):
         flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor_id = self._create_flavor(flavor_id)
+        new_flavor_id = self.create_flavor(ram=self.ram,
+                                           vcpus=self.vcpus,
+                                           disk=self.disk,
+                                           id=flavor_id)['id']
         self.assertEqual(new_flavor_id, str(flavor_id))
 
     @decorators.idempotent_id('94c9bb4e-2c2a-4f3c-bb1f-5f0daf918e6d')
     def test_create_flavor_with_uuid_id(self):
         flavor_id = data_utils.rand_uuid()
-        new_flavor_id = self._create_flavor(flavor_id)
+        new_flavor_id = self.create_flavor(ram=self.ram,
+                                           vcpus=self.vcpus,
+                                           disk=self.disk,
+                                           id=flavor_id)['id']
         self.assertEqual(new_flavor_id, flavor_id)
 
     @decorators.idempotent_id('f83fe669-6758-448a-a85e-32d351f36fe0')
@@ -101,7 +67,10 @@
         # If nova receives a request with None as flavor_id,
         # nova generates flavor_id of uuid.
         flavor_id = None
-        new_flavor_id = self._create_flavor(flavor_id)
+        new_flavor_id = self.create_flavor(ram=self.ram,
+                                           vcpus=self.vcpus,
+                                           disk=self.disk,
+                                           id=flavor_id)['id']
         self.assertEqual(new_flavor_id, str(uuid.UUID(new_flavor_id)))
 
     @decorators.idempotent_id('8261d7b0-be58-43ec-a2e5-300573c3f6c5')
@@ -109,24 +78,19 @@
         # Create a flavor and ensure it's details are listed
         # This operation requires the user to have 'admin' role
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
-        new_flavor_id = data_utils.rand_int_id(start=1000)
 
         # Create the flavor
-        flavor = self.client.create_flavor(name=flavor_name,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=new_flavor_id,
-                                           ephemeral=self.ephemeral,
-                                           swap=self.swap,
-                                           rxtx_factor=self.rxtx)['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
-        flag = False
-        # Verify flavor is retrieved
-        flavors = self.client.list_flavors(detail=True)['flavors']
-        for flavor in flavors:
-            if flavor['name'] == flavor_name:
-                flag = True
-        self.assertTrue(flag)
+        self.create_flavor(name=flavor_name,
+                           ram=self.ram, vcpus=self.vcpus,
+                           disk=self.disk,
+                           ephemeral=self.ephemeral,
+                           swap=self.swap,
+                           rxtx_factor=self.rxtx)
+
+        # Check if flavor is present in list
+        flavors_list = self.admin_flavors_client.list_flavors(
+            detail=True)['flavors']
+        self.assertIn(flavor_name, [f['name'] for f in flavors_list])
 
     @decorators.idempotent_id('63dc64e6-2e79-4fdf-868f-85500d308d66')
     def test_create_list_flavor_without_extra_data(self):
@@ -144,11 +108,10 @@
         new_flavor_id = data_utils.rand_int_id(start=1000)
 
         # Create the flavor
-        flavor = self.client.create_flavor(name=flavor_name,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=new_flavor_id)['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
+        flavor = self.create_flavor(name=flavor_name,
+                                    ram=self.ram, vcpus=self.vcpus,
+                                    disk=self.disk,
+                                    id=new_flavor_id)
         self.assertEqual(flavor['name'], flavor_name)
         self.assertEqual(flavor['ram'], self.ram)
         self.assertEqual(flavor['vcpus'], self.vcpus)
@@ -157,18 +120,17 @@
         verify_flavor_response_extension(flavor)
 
         # Verify flavor is retrieved
-        flavor = self.client.show_flavor(new_flavor_id)['flavor']
+        flavor = self.admin_flavors_client.show_flavor(new_flavor_id)['flavor']
         self.assertEqual(flavor['name'], flavor_name)
         verify_flavor_response_extension(flavor)
 
         # Check if flavor is present in list
-        flag = False
-        flavors = self.user_client.list_flavors(detail=True)['flavors']
-        for flavor in flavors:
-            if flavor['name'] == flavor_name:
-                verify_flavor_response_extension(flavor)
-                flag = True
-        self.assertTrue(flag)
+        flavors_list = [
+            f for f in self.flavors_client.list_flavors(detail=True)['flavors']
+            if f['name'] == flavor_name
+        ]
+        self.assertNotEmpty(flavors_list)
+        verify_flavor_response_extension(flavors_list[0])
 
     @decorators.idempotent_id('be6cc18c-7c5d-48c0-ac16-17eaf03c54eb')
     def test_list_non_public_flavor(self):
@@ -177,44 +139,27 @@
         # tenant is not automatically added access list.
         # This operation requires the user to have 'admin' role
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
-        new_flavor_id = data_utils.rand_int_id(start=1000)
 
         # Create the flavor
-        flavor = self.client.create_flavor(name=flavor_name,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=new_flavor_id,
-                                           is_public="False")['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
-        # Verify flavor is retrieved
-        flag = False
-        flavors = self.client.list_flavors(detail=True)['flavors']
-        for flavor in flavors:
-            if flavor['name'] == flavor_name:
-                flag = True
-        self.assertFalse(flag)
+        self.create_flavor(name=flavor_name,
+                           ram=self.ram, vcpus=self.vcpus,
+                           disk=self.disk,
+                           is_public="False")
+        # Verify flavor is not retrieved
+        flavors_list = self.admin_flavors_client.list_flavors(
+            detail=True)['flavors']
+        self.assertNotIn(flavor_name, [f['name'] for f in flavors_list])
 
         # Verify flavor is not retrieved with other user
-        flag = False
-        flavors = self.user_client.list_flavors(detail=True)['flavors']
-        for flavor in flavors:
-            if flavor['name'] == flavor_name:
-                flag = True
-        self.assertFalse(flag)
+        flavors_list = self.flavors_client.list_flavors(detail=True)['flavors']
+        self.assertNotIn(flavor_name, [f['name'] for f in flavors_list])
 
     @decorators.idempotent_id('bcc418ef-799b-47cc-baa1-ce01368b8987')
     def test_create_server_with_non_public_flavor(self):
         # Create a flavor with os-flavor-access:is_public false
-        flavor_name = data_utils.rand_name(self.flavor_name_prefix)
-        new_flavor_id = data_utils.rand_int_id(start=1000)
-
-        # Create the flavor
-        flavor = self.client.create_flavor(name=flavor_name,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=new_flavor_id,
-                                           is_public="False")['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
+        flavor = self.create_flavor(ram=self.ram, vcpus=self.vcpus,
+                                    disk=self.disk,
+                                    is_public="False")
 
         # Verify flavor is not used by other user
         self.assertRaises(lib_exc.BadRequest,
@@ -227,60 +172,40 @@
         # Create a Flavor with public access.
         # Try to List/Get flavor with another user
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
-        new_flavor_id = data_utils.rand_int_id(start=1000)
 
         # Create the flavor
-        flavor = self.client.create_flavor(name=flavor_name,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=new_flavor_id,
-                                           is_public="True")['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
-        flag = False
-        self.new_client = self.flavors_client
+        self.create_flavor(name=flavor_name,
+                           ram=self.ram, vcpus=self.vcpus,
+                           disk=self.disk,
+                           is_public="True")
         # Verify flavor is retrieved with new user
-        flavors = self.new_client.list_flavors(detail=True)['flavors']
-        for flavor in flavors:
-            if flavor['name'] == flavor_name:
-                flag = True
-        self.assertTrue(flag)
+        flavors_list = self.flavors_client.list_flavors(detail=True)['flavors']
+        self.assertIn(flavor_name, [f['name'] for f in flavors_list])
 
     @decorators.idempotent_id('fb9cbde6-3a0e-41f2-a983-bdb0a823c44e')
     def test_is_public_string_variations(self):
-        flavor_id_not_public = data_utils.rand_int_id(start=1000)
         flavor_name_not_public = data_utils.rand_name(self.flavor_name_prefix)
-        flavor_id_public = data_utils.rand_int_id(start=1000)
         flavor_name_public = data_utils.rand_name(self.flavor_name_prefix)
 
         # Create a non public flavor
-        flavor = self.client.create_flavor(name=flavor_name_not_public,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=flavor_id_not_public,
-                                           is_public="False")['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
+        self.create_flavor(name=flavor_name_not_public,
+                           ram=self.ram, vcpus=self.vcpus,
+                           disk=self.disk,
+                           is_public="False")
 
         # Create a public flavor
-        flavor = self.client.create_flavor(name=flavor_name_public,
-                                           ram=self.ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=flavor_id_public,
-                                           is_public="True")['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
-
-        def _flavor_lookup(flavors, flavor_name):
-            for flavor in flavors:
-                if flavor['name'] == flavor_name:
-                    return flavor
-            return None
+        self.create_flavor(name=flavor_name_public,
+                           ram=self.ram, vcpus=self.vcpus,
+                           disk=self.disk,
+                           is_public="True")
 
         def _test_string_variations(variations, flavor_name):
             for string in variations:
                 params = {'is_public': string}
-                flavors = (self.client.list_flavors(detail=True, **params)
+                flavors = (self.admin_flavors_client.list_flavors(detail=True,
+                                                                  **params)
                            ['flavors'])
-                flavor = _flavor_lookup(flavors, flavor_name)
-                self.assertIsNotNone(flavor)
+                self.assertIn(flavor_name, [f['name'] for f in flavors])
 
         _test_string_variations(['f', 'false', 'no', '0'],
                                 flavor_name_not_public)
@@ -290,17 +215,11 @@
 
     @decorators.idempotent_id('3b541a2e-2ac2-4b42-8b8d-ba6e22fcd4da')
     def test_create_flavor_using_string_ram(self):
-        flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
 
         ram = "1024"
-        flavor = self.client.create_flavor(name=flavor_name,
-                                           ram=ram, vcpus=self.vcpus,
-                                           disk=self.disk,
-                                           id=new_flavor_id)['flavor']
-        self.addCleanup(self.flavor_clean_up, flavor['id'])
-        self.assertEqual(flavor['name'], flavor_name)
-        self.assertEqual(flavor['vcpus'], self.vcpus)
-        self.assertEqual(flavor['disk'], self.disk)
+        flavor = self.create_flavor(ram=ram, vcpus=self.vcpus,
+                                    disk=self.disk,
+                                    id=new_flavor_id)
         self.assertEqual(flavor['ram'], int(ram))
         self.assertEqual(int(flavor['id']), new_flavor_id)
diff --git a/tempest/api/compute/admin/test_flavors_access.py b/tempest/api/compute/admin/test_flavors_access.py
index 38ff4c0..04b0c2d 100644
--- a/tempest/api/compute/admin/test_flavors_access.py
+++ b/tempest/api/compute/admin/test_flavors_access.py
@@ -33,11 +33,6 @@
             raise cls.skipException(msg)
 
     @classmethod
-    def setup_clients(cls):
-        super(FlavorsAccessTestJSON, cls).setup_clients()
-        cls.client = cls.os_adm.flavors_client
-
-    @classmethod
     def resource_setup(cls):
         super(FlavorsAccessTestJSON, cls).resource_setup()
 
@@ -54,14 +49,16 @@
         # private flavor will return an empty access list
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor = self.client.create_flavor(name=flavor_name,
-                                               ram=self.ram, vcpus=self.vcpus,
-                                               disk=self.disk,
-                                               id=new_flavor_id,
-                                               is_public='False')['flavor']
-        self.addCleanup(self.client.delete_flavor, new_flavor['id'])
-        flavor_access = (self.client.list_flavor_access(new_flavor_id)
-                         ['flavor_access'])
+        new_flavor = self.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=self.ram, vcpus=self.vcpus,
+            disk=self.disk,
+            id=new_flavor_id,
+            is_public='False')['flavor']
+        self.addCleanup(self.admin_flavors_client.delete_flavor,
+                        new_flavor['id'])
+        flavor_access = (self.admin_flavors_client.list_flavor_access(
+            new_flavor_id)['flavor_access'])
         self.assertEqual(len(flavor_access), 0, str(flavor_access))
 
     @decorators.idempotent_id('59e622f6-bdf6-45e3-8ba8-fedad905a6b4')
@@ -69,20 +66,21 @@
         # Test to add and remove flavor access to a given tenant.
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor = self.client.create_flavor(name=flavor_name,
-                                               ram=self.ram, vcpus=self.vcpus,
-                                               disk=self.disk,
-                                               id=new_flavor_id,
-                                               is_public='False')['flavor']
-        self.addCleanup(self.client.delete_flavor, new_flavor['id'])
+        new_flavor = self.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=self.ram, vcpus=self.vcpus,
+            disk=self.disk,
+            id=new_flavor_id,
+            is_public='False')['flavor']
+        self.addCleanup(self.admin_flavors_client.delete_flavor,
+                        new_flavor['id'])
         # Add flavor access to a tenant.
         resp_body = {
             "tenant_id": str(self.tenant_id),
             "flavor_id": str(new_flavor['id']),
         }
-        add_body = (self.client.add_flavor_access(new_flavor['id'],
-                                                  self.tenant_id)
-                    ['flavor_access'])
+        add_body = (self.admin_flavors_client.add_flavor_access(
+            new_flavor['id'], self.tenant_id)['flavor_access'])
         self.assertIn(resp_body, add_body)
 
         # The flavor is present in list.
@@ -90,9 +88,8 @@
         self.assertIn(new_flavor['id'], map(lambda x: x['id'], flavors))
 
         # Remove flavor access from a tenant.
-        remove_body = (self.client.remove_flavor_access(new_flavor['id'],
-                                                        self.tenant_id)
-                       ['flavor_access'])
+        remove_body = (self.admin_flavors_client.remove_flavor_access(
+            new_flavor['id'], self.tenant_id)['flavor_access'])
         self.assertNotIn(resp_body, remove_body)
 
         # The flavor is not present in list.
diff --git a/tempest/api/compute/admin/test_flavors_access_negative.py b/tempest/api/compute/admin/test_flavors_access_negative.py
index 2719cc4..bd72d13 100644
--- a/tempest/api/compute/admin/test_flavors_access_negative.py
+++ b/tempest/api/compute/admin/test_flavors_access_negative.py
@@ -34,11 +34,6 @@
             raise cls.skipException(msg)
 
     @classmethod
-    def setup_clients(cls):
-        super(FlavorsAccessNegativeTestJSON, cls).setup_clients()
-        cls.client = cls.os_adm.flavors_client
-
-    @classmethod
     def resource_setup(cls):
         super(FlavorsAccessNegativeTestJSON, cls).resource_setup()
 
@@ -54,14 +49,16 @@
         # Test to list flavor access with exceptions by querying public flavor
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor = self.client.create_flavor(name=flavor_name,
-                                               ram=self.ram, vcpus=self.vcpus,
-                                               disk=self.disk,
-                                               id=new_flavor_id,
-                                               is_public='True')['flavor']
-        self.addCleanup(self.client.delete_flavor, new_flavor['id'])
+        new_flavor = self.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=self.ram, vcpus=self.vcpus,
+            disk=self.disk,
+            id=new_flavor_id,
+            is_public='True')['flavor']
+        self.addCleanup(self.admin_flavors_client.delete_flavor,
+                        new_flavor['id'])
         self.assertRaises(lib_exc.NotFound,
-                          self.client.list_flavor_access,
+                          self.admin_flavors_client.list_flavor_access,
                           new_flavor_id)
 
     @test.attr(type=['negative'])
@@ -70,12 +67,14 @@
         # Test to add flavor access as a user without admin privileges.
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor = self.client.create_flavor(name=flavor_name,
-                                               ram=self.ram, vcpus=self.vcpus,
-                                               disk=self.disk,
-                                               id=new_flavor_id,
-                                               is_public='False')['flavor']
-        self.addCleanup(self.client.delete_flavor, new_flavor['id'])
+        new_flavor = self.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=self.ram, vcpus=self.vcpus,
+            disk=self.disk,
+            id=new_flavor_id,
+            is_public='False')['flavor']
+        self.addCleanup(self.admin_flavors_client.delete_flavor,
+                        new_flavor['id'])
         self.assertRaises(lib_exc.Forbidden,
                           self.flavors_client.add_flavor_access,
                           new_flavor['id'],
@@ -87,15 +86,18 @@
         # Test to remove flavor access as a user without admin privileges.
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor = self.client.create_flavor(name=flavor_name,
-                                               ram=self.ram, vcpus=self.vcpus,
-                                               disk=self.disk,
-                                               id=new_flavor_id,
-                                               is_public='False')['flavor']
-        self.addCleanup(self.client.delete_flavor, new_flavor['id'])
+        new_flavor = self.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=self.ram, vcpus=self.vcpus,
+            disk=self.disk,
+            id=new_flavor_id,
+            is_public='False')['flavor']
+        self.addCleanup(self.admin_flavors_client.delete_flavor,
+                        new_flavor['id'])
         # Add flavor access to a tenant.
-        self.client.add_flavor_access(new_flavor['id'], self.tenant_id)
-        self.addCleanup(self.client.remove_flavor_access,
+        self.admin_flavors_client.add_flavor_access(new_flavor['id'],
+                                                    self.tenant_id)
+        self.addCleanup(self.admin_flavors_client.remove_flavor_access,
                         new_flavor['id'], self.tenant_id)
         self.assertRaises(lib_exc.Forbidden,
                           self.flavors_client.remove_flavor_access,
@@ -108,22 +110,25 @@
         # Create a new flavor.
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor = self.client.create_flavor(name=flavor_name,
-                                               ram=self.ram, vcpus=self.vcpus,
-                                               disk=self.disk,
-                                               id=new_flavor_id,
-                                               is_public='False')['flavor']
-        self.addCleanup(self.client.delete_flavor, new_flavor['id'])
+        new_flavor = self.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=self.ram, vcpus=self.vcpus,
+            disk=self.disk,
+            id=new_flavor_id,
+            is_public='False')['flavor']
+        self.addCleanup(self.admin_flavors_client.delete_flavor,
+                        new_flavor['id'])
 
         # Add flavor access to a tenant.
-        self.client.add_flavor_access(new_flavor['id'], self.tenant_id)
-        self.addCleanup(self.client.remove_flavor_access,
+        self.admin_flavors_client.add_flavor_access(new_flavor['id'],
+                                                    self.tenant_id)
+        self.addCleanup(self.admin_flavors_client.remove_flavor_access,
                         new_flavor['id'], self.tenant_id)
 
         # An exception should be raised when adding flavor access to the same
         # tenant
         self.assertRaises(lib_exc.Conflict,
-                          self.client.add_flavor_access,
+                          self.admin_flavors_client.add_flavor_access,
                           new_flavor['id'],
                           self.tenant_id)
 
@@ -133,15 +138,17 @@
         # Create a new flavor.
         flavor_name = data_utils.rand_name(self.flavor_name_prefix)
         new_flavor_id = data_utils.rand_int_id(start=1000)
-        new_flavor = self.client.create_flavor(name=flavor_name,
-                                               ram=self.ram, vcpus=self.vcpus,
-                                               disk=self.disk,
-                                               id=new_flavor_id,
-                                               is_public='False')['flavor']
-        self.addCleanup(self.client.delete_flavor, new_flavor['id'])
+        new_flavor = self.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=self.ram, vcpus=self.vcpus,
+            disk=self.disk,
+            id=new_flavor_id,
+            is_public='False')['flavor']
+        self.addCleanup(self.admin_flavors_client.delete_flavor,
+                        new_flavor['id'])
 
         # An exception should be raised when flavor access is not found
         self.assertRaises(lib_exc.NotFound,
-                          self.client.remove_flavor_access,
+                          self.admin_flavors_client.remove_flavor_access,
                           new_flavor['id'],
                           data_utils.rand_uuid())
diff --git a/tempest/api/compute/admin/test_flavors_extra_specs.py b/tempest/api/compute/admin/test_flavors_extra_specs.py
index 70e662c..ee1e3a0 100644
--- a/tempest/api/compute/admin/test_flavors_extra_specs.py
+++ b/tempest/api/compute/admin/test_flavors_extra_specs.py
@@ -34,11 +34,6 @@
             raise cls.skipException(msg)
 
     @classmethod
-    def setup_clients(cls):
-        super(FlavorsExtraSpecsTestJSON, cls).setup_clients()
-        cls.client = cls.os_adm.flavors_client
-
-    @classmethod
     def resource_setup(cls):
         super(FlavorsExtraSpecsTestJSON, cls).resource_setup()
         flavor_name = data_utils.rand_name('test_flavor')
@@ -46,22 +41,23 @@
         vcpus = 1
         disk = 10
         ephemeral = 10
-        cls.new_flavor_id = data_utils.rand_int_id(start=1000)
+        new_flavor_id = data_utils.rand_int_id(start=1000)
         swap = 1024
         rxtx = 1
         # Create a flavor so as to set/get/unset extra specs
-        cls.flavor = cls.client.create_flavor(name=flavor_name,
-                                              ram=ram, vcpus=vcpus,
-                                              disk=disk,
-                                              id=cls.new_flavor_id,
-                                              ephemeral=ephemeral,
-                                              swap=swap,
-                                              rxtx_factor=rxtx)['flavor']
+        cls.flavor = cls.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=ram, vcpus=vcpus,
+            disk=disk,
+            id=new_flavor_id,
+            ephemeral=ephemeral,
+            swap=swap,
+            rxtx_factor=rxtx)['flavor']
 
     @classmethod
     def resource_cleanup(cls):
-        cls.client.delete_flavor(cls.flavor['id'])
-        cls.client.wait_for_resource_deletion(cls.flavor['id'])
+        cls.admin_flavors_client.delete_flavor(cls.flavor['id'])
+        cls.admin_flavors_client.wait_for_resource_deletion(cls.flavor['id'])
         super(FlavorsExtraSpecsTestJSON, cls).resource_cleanup()
 
     @decorators.idempotent_id('0b2f9d4b-1ca2-4b99-bb40-165d4bb94208')
@@ -71,46 +67,47 @@
         # Assigning extra specs values that are to be set
         specs = {"key1": "value1", "key2": "value2"}
         # SET extra specs to the flavor created in setUp
-        set_body = self.client.set_flavor_extra_spec(self.flavor['id'],
-                                                     **specs)['extra_specs']
+        set_body = self.admin_flavors_client.set_flavor_extra_spec(
+            self.flavor['id'], **specs)['extra_specs']
         self.assertEqual(set_body, specs)
         # GET extra specs and verify
-        get_body = (self.client.list_flavor_extra_specs(self.flavor['id'])
-                    ['extra_specs'])
+        get_body = (self.admin_flavors_client.list_flavor_extra_specs(
+            self.flavor['id'])['extra_specs'])
         self.assertEqual(get_body, specs)
 
         # UPDATE the value of the extra specs key1
         update_body = \
-            self.client.update_flavor_extra_spec(self.flavor['id'],
-                                                 "key1",
-                                                 key1="value")
+            self.admin_flavors_client.update_flavor_extra_spec(
+                self.flavor['id'], "key1", key1="value")
         self.assertEqual({"key1": "value"}, update_body)
 
         # GET extra specs and verify the value of the key2
         # is the same as before
-        get_body = (self.client.list_flavor_extra_specs(self.flavor['id'])
-                    ['extra_specs'])
+        get_body = (self.admin_flavors_client.list_flavor_extra_specs(
+            self.flavor['id'])['extra_specs'])
         self.assertEqual(get_body, {"key1": "value", "key2": "value2"})
 
         # UNSET extra specs that were set in this test
-        self.client.unset_flavor_extra_spec(self.flavor['id'], "key1")
-        self.client.unset_flavor_extra_spec(self.flavor['id'], "key2")
+        self.admin_flavors_client.unset_flavor_extra_spec(self.flavor['id'],
+                                                          "key1")
+        self.admin_flavors_client.unset_flavor_extra_spec(self.flavor['id'],
+                                                          "key2")
 
     @decorators.idempotent_id('a99dad88-ae1c-4fba-aeb4-32f898218bd0')
     def test_flavor_non_admin_get_all_keys(self):
         specs = {"key1": "value1", "key2": "value2"}
-        self.client.set_flavor_extra_spec(self.flavor['id'], **specs)
-        body = (self.flavors_client.list_flavor_extra_specs(self.flavor['id'])
-                ['extra_specs'])
+        self.admin_flavors_client.set_flavor_extra_spec(self.flavor['id'],
+                                                        **specs)
+        body = (self.flavors_client.list_flavor_extra_specs(
+            self.flavor['id'])['extra_specs'])
 
         for key in specs:
             self.assertEqual(body[key], specs[key])
 
     @decorators.idempotent_id('12805a7f-39a3-4042-b989-701d5cad9c90')
     def test_flavor_non_admin_get_specific_key(self):
-        body = self.client.set_flavor_extra_spec(self.flavor['id'],
-                                                 key1="value1",
-                                                 key2="value2")['extra_specs']
+        body = self.admin_flavors_client.set_flavor_extra_spec(
+            self.flavor['id'], key1="value1", key2="value2")['extra_specs']
         self.assertEqual(body['key1'], 'value1')
         self.assertIn('key2', body)
         body = self.flavors_client.show_flavor_extra_spec(
diff --git a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
index 767a1ca..dab83e5 100644
--- a/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
+++ b/tempest/api/compute/admin/test_flavors_extra_specs_negative.py
@@ -35,11 +35,6 @@
             raise cls.skipException(msg)
 
     @classmethod
-    def setup_clients(cls):
-        super(FlavorsExtraSpecsNegativeTestJSON, cls).setup_clients()
-        cls.client = cls.os_adm.flavors_client
-
-    @classmethod
     def resource_setup(cls):
         super(FlavorsExtraSpecsNegativeTestJSON, cls).resource_setup()
 
@@ -48,22 +43,23 @@
         vcpus = 1
         disk = 10
         ephemeral = 10
-        cls.new_flavor_id = data_utils.rand_int_id(start=1000)
+        new_flavor_id = data_utils.rand_int_id(start=1000)
         swap = 1024
         rxtx = 1
         # Create a flavor
-        cls.flavor = cls.client.create_flavor(name=flavor_name,
-                                              ram=ram, vcpus=vcpus,
-                                              disk=disk,
-                                              id=cls.new_flavor_id,
-                                              ephemeral=ephemeral,
-                                              swap=swap,
-                                              rxtx_factor=rxtx)['flavor']
+        cls.flavor = cls.admin_flavors_client.create_flavor(
+            name=flavor_name,
+            ram=ram, vcpus=vcpus,
+            disk=disk,
+            id=new_flavor_id,
+            ephemeral=ephemeral,
+            swap=swap,
+            rxtx_factor=rxtx)['flavor']
 
     @classmethod
     def resource_cleanup(cls):
-        cls.client.delete_flavor(cls.flavor['id'])
-        cls.client.wait_for_resource_deletion(cls.flavor['id'])
+        cls.admin_flavors_client.delete_flavor(cls.flavor['id'])
+        cls.admin_flavors_client.wait_for_resource_deletion(cls.flavor['id'])
         super(FlavorsExtraSpecsNegativeTestJSON, cls).resource_cleanup()
 
     @test.attr(type=['negative'])
@@ -79,7 +75,7 @@
     @decorators.idempotent_id('1ebf4ef8-759e-48fe-a801-d451d80476fb')
     def test_flavor_non_admin_update_specific_key(self):
         # non admin user is not allowed to update flavor extra spec
-        body = self.client.set_flavor_extra_spec(
+        body = self.admin_flavors_client.set_flavor_extra_spec(
             self.flavor['id'], key1="value1", key2="value2")['extra_specs']
         self.assertEqual(body['key1'], 'value1')
         self.assertRaises(lib_exc.Forbidden,
@@ -92,8 +88,8 @@
     @test.attr(type=['negative'])
     @decorators.idempotent_id('28f12249-27c7-44c1-8810-1f382f316b11')
     def test_flavor_non_admin_unset_keys(self):
-        self.client.set_flavor_extra_spec(self.flavor['id'],
-                                          key1="value1", key2="value2")
+        self.admin_flavors_client.set_flavor_extra_spec(
+            self.flavor['id'], key1="value1", key2="value2")
 
         self.assertRaises(lib_exc.Forbidden,
                           self.flavors_client.unset_flavor_extra_spec,
@@ -104,7 +100,7 @@
     @decorators.idempotent_id('440b9f3f-3c7f-4293-a106-0ceda350f8de')
     def test_flavor_unset_nonexistent_key(self):
         self.assertRaises(lib_exc.NotFound,
-                          self.client.unset_flavor_extra_spec,
+                          self.admin_flavors_client.unset_flavor_extra_spec,
                           self.flavor['id'],
                           'nonexistent_key')
 
@@ -121,7 +117,7 @@
     def test_flavor_update_mismatch_key(self):
         # the key will be updated should be match the key in the body
         self.assertRaises(lib_exc.BadRequest,
-                          self.client.update_flavor_extra_spec,
+                          self.admin_flavors_client.update_flavor_extra_spec,
                           self.flavor['id'],
                           "key2",
                           key1="value")
@@ -131,7 +127,7 @@
     def test_flavor_update_more_key(self):
         # there should be just one item in the request body
         self.assertRaises(lib_exc.BadRequest,
-                          self.client.update_flavor_extra_spec,
+                          self.admin_flavors_client.update_flavor_extra_spec,
                           self.flavor['id'],
                           "key1",
                           key1="value",
diff --git a/tempest/api/compute/admin/test_servers.py b/tempest/api/compute/admin/test_servers.py
index 85c7fba..9e1c0e9 100644
--- a/tempest/api/compute/admin/test_servers.py
+++ b/tempest/api/compute/admin/test_servers.py
@@ -18,6 +18,7 @@
 from tempest.common.utils import data_utils
 from tempest.common import waiters
 from tempest.lib import decorators
+from tempest import test
 
 
 class ServersAdminTestJSON(base.BaseV2ComputeAdminTest):
@@ -91,6 +92,7 @@
         self.assertIn(self.s1_name, servers_name)
         self.assertIn(self.s2_name, servers_name)
 
+    @test.related_bug('1659811')
     @decorators.idempotent_id('7e5d6b8f-454a-4ba1-8ae2-da857af8338b')
     def test_list_servers_by_admin_with_specified_tenant(self):
         # In nova v2, tenant_id is ignored unless all_tenants is specified
diff --git a/tempest/api/compute/admin/test_servers_negative.py b/tempest/api/compute/admin/test_servers_negative.py
index 1283629..b53ced9 100644
--- a/tempest/api/compute/admin/test_servers_negative.py
+++ b/tempest/api/compute/admin/test_servers_negative.py
@@ -42,9 +42,7 @@
         super(ServersAdminNegativeTestJSON, cls).resource_setup()
         cls.tenant_id = cls.client.tenant_id
 
-        cls.s1_name = data_utils.rand_name(cls.__name__ + '-server')
-        server = cls.create_test_server(name=cls.s1_name,
-                                        wait_until='ACTIVE')
+        server = cls.create_test_server(wait_until='ACTIVE')
         cls.s1_id = server['id']
 
     def _get_unused_flavor_id(self):
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index d77ea90..c636894 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -304,14 +304,28 @@
         cls.images.append(image_id)
 
         if 'wait_until' in kwargs:
-            waiters.wait_for_image_status(cls.compute_images_client,
-                                          image_id, kwargs['wait_until'])
+            try:
+                waiters.wait_for_image_status(cls.compute_images_client,
+                                              image_id, kwargs['wait_until'])
+            except lib_exc.NotFound:
+                if kwargs['wait_until'].upper() == 'ACTIVE':
+                    # If the image is not found after create_image returned
+                    # that means the snapshot failed in nova-compute and nova
+                    # deleted the image. There should be a compute fault
+                    # recorded with the server in that case, so get the server
+                    # and dump some details.
+                    server = (
+                        cls.servers_client.show_server(server_id)['server'])
+                    if 'fault' in server:
+                        raise exceptions.SnapshotNotFoundException(
+                            server['fault'], image_id=image_id)
+                    else:
+                        raise exceptions.SnapshotNotFoundException(
+                            image_id=image_id)
+                else:
+                    raise
             image = cls.compute_images_client.show_image(image_id)['image']
 
-            if kwargs['wait_until'] == 'ACTIVE':
-                if kwargs.get('wait_for_server', True):
-                    waiters.wait_for_server_status(cls.servers_client,
-                                                   server_id, 'ACTIVE')
         return image
 
     @classmethod
@@ -453,3 +467,17 @@
         super(BaseV2ComputeAdminTest, cls).setup_clients()
         cls.availability_zone_admin_client = (
             cls.os_adm.availability_zone_client)
+        cls.admin_flavors_client = cls.os_adm.flavors_client
+
+    def create_flavor(self, ram, vcpus, disk, name=None,
+                      is_public='True', **kwargs):
+        if name is None:
+            name = data_utils.rand_name(self.__class__.__name__ + "-flavor")
+        id = kwargs.pop('id', data_utils.rand_int_id(start=1000))
+        client = self.admin_flavors_client
+        flavor = client.create_flavor(
+            ram=ram, vcpus=vcpus, disk=disk, name=name,
+            id=id, is_public=is_public, **kwargs)['flavor']
+        self.addCleanup(client.wait_for_resource_deletion, flavor['id'])
+        self.addCleanup(client.delete_flavor, flavor['id'])
+        return flavor
diff --git a/tempest/api/compute/flavors/test_flavors.py b/tempest/api/compute/flavors/test_flavors.py
index 546667f..89051c1 100644
--- a/tempest/api/compute/flavors/test_flavors.py
+++ b/tempest/api/compute/flavors/test_flavors.py
@@ -22,17 +22,12 @@
     _min_disk = 'minDisk'
     _min_ram = 'minRam'
 
-    @classmethod
-    def setup_clients(cls):
-        super(FlavorsV2TestJSON, cls).setup_clients()
-        cls.client = cls.flavors_client
-
     @test.attr(type='smoke')
     @decorators.idempotent_id('e36c0eaa-dff5-4082-ad1f-3f9a80aa3f59')
     def test_list_flavors(self):
         # List of all flavors should contain the expected flavor
-        flavors = self.client.list_flavors()['flavors']
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavors = self.flavors_client.list_flavors()['flavors']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         flavor_min_detail = {'id': flavor['id'], 'links': flavor['links'],
                              'name': flavor['name']}
         self.assertIn(flavor_min_detail, flavors)
@@ -40,89 +35,93 @@
     @decorators.idempotent_id('6e85fde4-b3cd-4137-ab72-ed5f418e8c24')
     def test_list_flavors_with_detail(self):
         # Detailed list of all flavors should contain the expected flavor
-        flavors = self.client.list_flavors(detail=True)['flavors']
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavors = self.flavors_client.list_flavors(detail=True)['flavors']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         self.assertIn(flavor, flavors)
 
     @test.attr(type='smoke')
     @decorators.idempotent_id('1f12046b-753d-40d2-abb6-d8eb8b30cb2f')
     def test_get_flavor(self):
         # The expected flavor details should be returned
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         self.assertEqual(self.flavor_ref, flavor['id'])
 
     @decorators.idempotent_id('8d7691b3-6ed4-411a-abc9-2839a765adab')
     def test_list_flavors_limit_results(self):
         # Only the expected number of flavors should be returned
         params = {'limit': 1}
-        flavors = self.client.list_flavors(**params)['flavors']
+        flavors = self.flavors_client.list_flavors(**params)['flavors']
         self.assertEqual(1, len(flavors))
 
     @decorators.idempotent_id('b26f6327-2886-467a-82be-cef7a27709cb')
     def test_list_flavors_detailed_limit_results(self):
         # Only the expected number of flavors (detailed) should be returned
         params = {'limit': 1}
-        flavors = self.client.list_flavors(detail=True, **params)['flavors']
+        flavors = self.flavors_client.list_flavors(detail=True,
+                                                   **params)['flavors']
         self.assertEqual(1, len(flavors))
 
     @decorators.idempotent_id('e800f879-9828-4bd0-8eae-4f17189951fb')
     def test_list_flavors_using_marker(self):
         # The list of flavors should start from the provided marker
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         flavor_id = flavor['id']
 
         params = {'marker': flavor_id}
-        flavors = self.client.list_flavors(**params)['flavors']
+        flavors = self.flavors_client.list_flavors(**params)['flavors']
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]),
                          'The list of flavors did not start after the marker.')
 
     @decorators.idempotent_id('6db2f0c0-ddee-4162-9c84-0703d3dd1107')
     def test_list_flavors_detailed_using_marker(self):
         # The list of flavors should start from the provided marker
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         flavor_id = flavor['id']
 
         params = {'marker': flavor_id}
-        flavors = self.client.list_flavors(detail=True, **params)['flavors']
+        flavors = self.flavors_client.list_flavors(detail=True,
+                                                   **params)['flavors']
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]),
                          'The list of flavors did not start after the marker.')
 
     @decorators.idempotent_id('3df2743e-3034-4e57-a4cb-b6527f6eac79')
     def test_list_flavors_detailed_filter_by_min_disk(self):
         # The detailed list of flavors should be filtered by disk space
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         flavor_id = flavor['id']
 
         params = {self._min_disk: flavor['disk'] + 1}
-        flavors = self.client.list_flavors(detail=True, **params)['flavors']
+        flavors = self.flavors_client.list_flavors(detail=True,
+                                                   **params)['flavors']
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))
 
     @decorators.idempotent_id('09fe7509-b4ee-4b34-bf8b-39532dc47292')
     def test_list_flavors_detailed_filter_by_min_ram(self):
         # The detailed list of flavors should be filtered by RAM
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         flavor_id = flavor['id']
 
         params = {self._min_ram: flavor['ram'] + 1}
-        flavors = self.client.list_flavors(detail=True, **params)['flavors']
+        flavors = self.flavors_client.list_flavors(detail=True,
+                                                   **params)['flavors']
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))
 
     @decorators.idempotent_id('10645a4d-96f5-443f-831b-730711e11dd4')
     def test_list_flavors_filter_by_min_disk(self):
         # The list of flavors should be filtered by disk space
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         flavor_id = flavor['id']
 
         params = {self._min_disk: flavor['disk'] + 1}
-        flavors = self.client.list_flavors(**params)['flavors']
+        flavors = self.flavors_client.list_flavors(**params)['flavors']
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))
 
     @decorators.idempotent_id('935cf550-e7c8-4da6-8002-00f92d5edfaa')
     def test_list_flavors_filter_by_min_ram(self):
         # The list of flavors should be filtered by RAM
-        flavor = self.client.show_flavor(self.flavor_ref)['flavor']
+        flavor = self.flavors_client.show_flavor(self.flavor_ref)['flavor']
         flavor_id = flavor['id']
 
         params = {self._min_ram: flavor['ram'] + 1}
-        flavors = self.client.list_flavors(**params)['flavors']
+        flavors = self.flavors_client.list_flavors(**params)['flavors']
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))
diff --git a/tempest/api/compute/flavors/test_flavors_negative.py b/tempest/api/compute/flavors/test_flavors_negative.py
new file mode 100644
index 0000000..a70c0a9
--- /dev/null
+++ b/tempest/api/compute/flavors/test_flavors_negative.py
@@ -0,0 +1,89 @@
+# Copyright 2017 Red Hat, Inc.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import random
+
+import six
+
+from tempest.api.compute import base
+from tempest.common import image as common_image
+from tempest.common.utils import data_utils
+from tempest import config
+from tempest.lib import exceptions as lib_exc
+from tempest import test
+
+CONF = config.CONF
+
+
+class FlavorsV2NegativeTest(base.BaseV2ComputeTest):
+
+    @classmethod
+    def setup_clients(cls):
+        super(FlavorsV2NegativeTest, cls).setup_clients()
+        if CONF.image_feature_enabled.api_v1:
+            cls.images_client = cls.os.image_client
+        elif CONF.image_feature_enabled.api_v2:
+            cls.images_client = cls.os.image_client_v2
+        else:
+            raise lib_exc.InvalidConfiguration(
+                'Either api_v1 or api_v2 must be True in '
+                '[image-feature-enabled].')
+
+    @test.attr(type=['negative'])
+    @test.services('image')
+    @test.idempotent_id('90f0d93a-91c1-450c-91e6-07d18172cefe')
+    def test_boot_with_low_ram(self):
+        """Try boot a vm with lower than min ram
+
+        Create an image with min_ram value
+        Try to create server with flavor of insufficient ram size from
+        that image
+        """
+        flavor = self.flavors_client.show_flavor(
+            CONF.compute.flavor_ref)['flavor']
+        min_img_ram = flavor['ram'] + 1
+        size = random.randint(1024, 4096)
+        image_file = six.BytesIO(data_utils.random_bytes(size))
+        params = {
+            'name': data_utils.rand_name('image'),
+            'container_format': CONF.image.container_formats[0],
+            'disk_format': CONF.image.disk_formats[0],
+            'min_ram': min_img_ram
+        }
+
+        if CONF.image_feature_enabled.api_v1:
+            params.update({'is_public': False})
+            params = {'headers': common_image.image_meta_to_headers(**params)}
+        else:
+            params.update({'visibility': 'private'})
+
+        image = self.images_client.create_image(**params)
+        image = image['image'] if 'image' in image else image
+        self.addCleanup(self.images_client.delete_image, image['id'])
+
+        if CONF.image_feature_enabled.api_v1:
+            self.images_client.update_image(image['id'], data=image_file)
+        else:
+            self.images_client.store_image_file(image['id'], data=image_file)
+
+        self.assertEqual(min_img_ram, image['min_ram'])
+
+        # Try to create server with flavor of insufficient ram size
+        self.assertRaisesRegexp(lib_exc.BadRequest,
+                                "Flavor's memory is too small for "
+                                "requested image",
+                                self.create_test_server,
+                                image_id=image['id'],
+                                flavor=flavor['id'])
diff --git a/tempest/api/compute/floating_ips/test_floating_ips_actions.py b/tempest/api/compute/floating_ips/test_floating_ips_actions.py
index 4d8416f..2769245 100644
--- a/tempest/api/compute/floating_ips/test_floating_ips_actions.py
+++ b/tempest/api/compute/floating_ips/test_floating_ips_actions.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest.api.compute.floating_ips import base
 from tempest import config
 from tempest.lib.common.utils import test_utils
@@ -86,6 +88,8 @@
 
     @decorators.idempotent_id('307efa27-dc6f-48a0-8cd2-162ce3ef0b52')
     @test.services('network')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_associate_disassociate_floating_ip(self):
         # Positive test:Associate and disassociate the provided floating IP
         # to a specific server should be successful
@@ -107,6 +111,8 @@
 
     @decorators.idempotent_id('6edef4b2-aaf1-4abc-bbe3-993e2561e0fe')
     @test.services('network')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_associate_already_associated_floating_ip(self):
         # positive test:Association of an already associated floating IP
         # to specific server should change the association of the Floating IP
diff --git a/tempest/api/compute/images/test_images.py b/tempest/api/compute/images/test_images.py
index a0c860a..d9db0b5 100644
--- a/tempest/api/compute/images/test_images.py
+++ b/tempest/api/compute/images/test_images.py
@@ -60,7 +60,6 @@
         snapshot_name = data_utils.rand_name('test-snap')
         image = self.create_image_from_server(server['id'],
                                               name=snapshot_name,
-                                              wait_until='ACTIVE',
-                                              wait_for_server=False)
+                                              wait_until='ACTIVE')
         self.addCleanup(self.client.delete_image, image['id'])
         self.assertEqual(snapshot_name, image['name'])
diff --git a/tempest/api/compute/security_groups/test_security_group_rules.py b/tempest/api/compute/security_groups/test_security_group_rules.py
index 7658848..b82fa3b 100644
--- a/tempest/api/compute/security_groups/test_security_group_rules.py
+++ b/tempest/api/compute/security_groups/test_security_group_rules.py
@@ -31,7 +31,6 @@
     @classmethod
     def resource_setup(cls):
         super(SecurityGroupRulesTestJSON, cls).resource_setup()
-        cls.neutron_available = CONF.service_available.neutron
         cls.ip_protocol = 'tcp'
         cls.from_port = 22
         cls.to_port = 22
diff --git a/tempest/api/compute/security_groups/test_security_groups_negative.py b/tempest/api/compute/security_groups/test_security_groups_negative.py
index ad18861..48bb1b6 100644
--- a/tempest/api/compute/security_groups/test_security_groups_negative.py
+++ b/tempest/api/compute/security_groups/test_security_groups_negative.py
@@ -32,11 +32,6 @@
         super(SecurityGroupsNegativeTestJSON, cls).setup_clients()
         cls.client = cls.security_groups_client
 
-    @classmethod
-    def resource_setup(cls):
-        super(SecurityGroupsNegativeTestJSON, cls).resource_setup()
-        cls.neutron_available = CONF.service_available.neutron
-
     @test.attr(type=['negative'])
     @decorators.idempotent_id('673eaec1-9b3e-48ed-bdf1-2786c1b9661c')
     @test.services('network')
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index 5ddae5e..a94c20b 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -51,7 +51,7 @@
         cls.name = data_utils.rand_name(cls.__name__ + '-server')
         cls.password = data_utils.rand_password()
         disk_config = cls.disk_config
-        cls.server_initial = cls.create_test_server(
+        server_initial = cls.create_test_server(
             validatable=True,
             wait_until='ACTIVE',
             name=cls.name,
@@ -60,7 +60,7 @@
             accessIPv6=cls.accessIPv6,
             disk_config=disk_config,
             adminPass=cls.password)
-        cls.server = (cls.client.show_server(cls.server_initial['id'])
+        cls.server = (cls.client.show_server(server_initial['id'])
                       ['server'])
 
     def _create_net_subnet_ret_net_from_cidr(self, cidr):
diff --git a/tempest/api/compute/servers/test_device_tagging.py b/tempest/api/compute/servers/test_device_tagging.py
index ae8f47d..5bcbdac 100644
--- a/tempest/api/compute/servers/test_device_tagging.py
+++ b/tempest/api/compute/servers/test_device_tagging.py
@@ -20,6 +20,7 @@
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
 from tempest import config
+from tempest.lib.common.utils import test_utils
 from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
@@ -33,7 +34,11 @@
 class DeviceTaggingTest(base.BaseV2ComputeTest):
 
     min_microversion = '2.32'
-    max_microversion = 'latest'
+    # NOTE(mriedem): max_version looks odd but it's actually correct. Due to a
+    # bug in the 2.32 microversion, tags on block devices only worked with the
+    # 2.32 microversion specifically. And tags on networks only worked between
+    # 2.32 and 2.36 inclusive; the 2.37 microversion broke tags for networks.
+    max_microversion = '2.32'
 
     @classmethod
     def skip_checks(cls):
@@ -245,9 +250,9 @@
                 self.verify_device_metadata(md_json)
                 return True
 
-            if not test.call_until_true(get_and_verify_metadata,
-                                        CONF.compute.build_timeout,
-                                        CONF.compute.build_interval):
+            if not test_utils.call_until_true(get_and_verify_metadata,
+                                              CONF.compute.build_timeout,
+                                              CONF.compute.build_interval):
                 raise exceptions.TimeoutException('Timeout while verifying '
                                                   'metadata on server.')
 
@@ -262,3 +267,8 @@
             cmd_md = 'sudo cat /mnt/openstack/latest/meta_data.json'
             md_json = self.ssh_client.exec_command(cmd_md)
             self.verify_device_metadata(md_json)
+
+
+class DeviceTaggingTestV2_42(DeviceTaggingTest):
+    min_microversion = '2.42'
+    max_microversion = 'latest'
diff --git a/tempest/api/compute/servers/test_list_servers_negative.py b/tempest/api/compute/servers/test_list_servers_negative.py
index 594c5c9..3010caf 100644
--- a/tempest/api/compute/servers/test_list_servers_negative.py
+++ b/tempest/api/compute/servers/test_list_servers_negative.py
@@ -35,11 +35,9 @@
         # by the test methods in this class. These
         # servers are cleaned up automatically in the
         # tearDownClass method of the super-class.
-        cls.existing_fixtures = []
         cls.deleted_fixtures = []
         for _ in range(2):
             srv = cls.create_test_server(wait_until='ACTIVE')
-            cls.existing_fixtures.append(srv)
 
         srv = cls.create_test_server(wait_until='ACTIVE')
         cls.client.delete_server(srv['id'])
diff --git a/tempest/api/compute/servers/test_novnc.py b/tempest/api/compute/servers/test_novnc.py
index 73361d7..3f6abab 100644
--- a/tempest/api/compute/servers/test_novnc.py
+++ b/tempest/api/compute/servers/test_novnc.py
@@ -22,7 +22,7 @@
 
 from tempest.api.compute import base
 from tempest import config
-from tempest import test
+from tempest.lib import decorators
 
 CONF = config.CONF
 
@@ -147,7 +147,7 @@
         # Turn the Socket into a WebSocket to do the communication
         return _WebSocket(client_socket, url)
 
-    @test.idempotent_id('c640fdff-8ab4-45a4-a5d8-7e6146cbd0dc')
+    @decorators.idempotent_id('c640fdff-8ab4-45a4-a5d8-7e6146cbd0dc')
     def test_novnc(self):
         body = self.client.get_vnc_console(self.server['id'],
                                            type='novnc')['console']
@@ -161,7 +161,7 @@
         # Validate the RFB Negotiation to determine if a valid VNC session
         self._validate_rfb_negotiation()
 
-    @test.idempotent_id('f9c79937-addc-4aaa-9e0e-841eef02aeb7')
+    @decorators.idempotent_id('f9c79937-addc-4aaa-9e0e-841eef02aeb7')
     def test_novnc_bad_token(self):
         body = self.client.get_vnc_console(self.server['id'],
                                            type='novnc')['console']
diff --git a/tempest/api/compute/servers/test_server_rescue.py b/tempest/api/compute/servers/test_server_rescue.py
index 5db7f4f..209ab38 100644
--- a/tempest/api/compute/servers/test_server_rescue.py
+++ b/tempest/api/compute/servers/test_server_rescue.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest.common import waiters
@@ -48,9 +50,9 @@
 
         # Security group creation
         cls.sg_name = data_utils.rand_name('sg')
-        cls.sg_desc = data_utils.rand_name('sg-desc')
+        sg_desc = data_utils.rand_name('sg-desc')
         cls.sg = cls.security_groups_client.create_security_group(
-            name=cls.sg_name, description=cls.sg_desc)['security_group']
+            name=cls.sg_name, description=sg_desc)['security_group']
         cls.sg_id = cls.sg['id']
 
         cls.password = data_utils.rand_password()
@@ -85,6 +87,8 @@
                                        'ACTIVE')
 
     @decorators.idempotent_id('4842e0cf-e87d-4d9d-b61f-f4791da3cacc')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_rescued_vm_associate_dissociate_floating_ip(self):
         # Rescue the server
         self.servers_client.rescue_server(
diff --git a/tempest/api/compute/volumes/test_attach_volume_negative.py b/tempest/api/compute/volumes/test_attach_volume_negative.py
index acab4b1..c017690 100644
--- a/tempest/api/compute/volumes/test_attach_volume_negative.py
+++ b/tempest/api/compute/volumes/test_attach_volume_negative.py
@@ -30,6 +30,7 @@
             skip_msg = ("%s skipped as Cinder is not available" % cls.__name__)
             raise cls.skipException(skip_msg)
 
+    @test.attr(type=['negative'])
     @test.related_bug('1630783', status_code=500)
     @decorators.idempotent_id('a313b5cd-fbd0-49cc-94de-870e99f763c7')
     def test_delete_attached_volume(self):
diff --git a/tempest/api/compute/volumes/test_volumes_list.py b/tempest/api/compute/volumes/test_volumes_list.py
index dd9d408..0d8214f 100644
--- a/tempest/api/compute/volumes/test_volumes_list.py
+++ b/tempest/api/compute/volumes/test_volumes_list.py
@@ -44,13 +44,11 @@
         super(VolumesTestJSON, cls).resource_setup()
         # Create 3 Volumes
         cls.volume_list = []
-        cls.volume_id_list = []
         for _ in range(3):
             metadata = {'Type': 'work'}
             volume = cls.create_volume(metadata=metadata)
             volume = cls.client.show_volume(volume['id'])['volume']
             cls.volume_list.append(volume)
-            cls.volume_id_list.append(volume['id'])
 
     @decorators.idempotent_id('bc2dd1a0-15af-48e5-9990-f2e75a48325d')
     def test_volume_list(self):
diff --git a/tempest/api/identity/admin/v3/test_domains_negative.py b/tempest/api/identity/admin/v3/test_domains_negative.py
index 280a5a8..4555a6a 100644
--- a/tempest/api/identity/admin/v3/test_domains_negative.py
+++ b/tempest/api/identity/admin/v3/test_domains_negative.py
@@ -14,7 +14,7 @@
 #    under the License.
 
 from tempest.api.identity import base
-from tempest.lib.common.utils import data_utils
+from tempest.common.utils import data_utils
 from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index e89be4b..445d928 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -15,7 +15,9 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib.common.utils import test_utils
 from tempest.lib import decorators
+from tempest.lib import exceptions as lib_exc
 from tempest import test
 
 
@@ -195,3 +197,112 @@
         body = self.roles_client.list_roles()['roles']
         found = [role for role in body if role in self.roles]
         self.assertEqual(len(found), len(self.roles))
+
+    def _create_implied_role(self, prior_role_id, implies_role_id,
+                             ignore_not_found=False):
+        self.roles_client.create_role_inference_rule(
+            prior_role_id, implies_role_id)
+        if ignore_not_found:
+            self.addCleanup(
+                test_utils.call_and_ignore_notfound_exc,
+                self.roles_client.delete_role_inference_rule,
+                prior_role_id,
+                implies_role_id)
+        else:
+            self.addCleanup(
+                self.roles_client.delete_role_inference_rule,
+                prior_role_id,
+                implies_role_id)
+
+    @decorators.idempotent_id('c90c316c-d706-4728-bcba-eb1912081b69')
+    def test_implied_roles_create_delete(self):
+        prior_role_id = self.roles[0]['id']
+        implies_role_id = self.roles[1]['id']
+
+        # Create an inference rule from prior_role to implies_role
+        self._create_implied_role(prior_role_id, implies_role_id,
+                                  ignore_not_found=True)
+
+        # Check if the inference rule exists
+        self.roles_client.show_role_inference_rule(
+            prior_role_id, implies_role_id)
+
+        # Delete the inference rule
+        self.roles_client.delete_role_inference_rule(
+            prior_role_id, implies_role_id)
+        # Check if the inference rule no longer exists
+        self.assertRaises(
+            lib_exc.NotFound,
+            self.roles_client.show_role_inference_rule,
+            prior_role_id,
+            implies_role_id)
+
+    @decorators.idempotent_id('dc6f5959-b74d-4e30-a9e5-a8255494ff00')
+    def test_roles_hierarchy(self):
+        # Create inference rule from "roles[0]" to "role[1]"
+        self._create_implied_role(
+            self.roles[0]['id'], self.roles[1]['id'])
+
+        # Create inference rule from "roles[0]" to "role[2]"
+        self._create_implied_role(
+            self.roles[0]['id'], self.roles[2]['id'])
+
+        # Create inference rule from "roles[2]" to "role"
+        self._create_implied_role(
+            self.roles[2]['id'], self.role['id'])
+
+        # Listing inferences rules from "roles[2]" should only return "role"
+        rules = self.roles_client.list_role_inferences_rules(
+            self.roles[2]['id'])['role_inference']
+        self.assertEqual(1, len(rules['implies']))
+        self.assertEqual(self.role['id'], rules['implies'][0]['id'])
+
+        # Listing inferences rules from "roles[0]" should return "roles[1]" and
+        # "roles[2]" (only direct rules are listed)
+        rules = self.roles_client.list_role_inferences_rules(
+            self.roles[0]['id'])['role_inference']
+        implies_ids = [role['id'] for role in rules['implies']]
+        self.assertEqual(2, len(implies_ids))
+        self.assertIn(self.roles[1]['id'], implies_ids)
+        self.assertIn(self.roles[2]['id'], implies_ids)
+
+    @decorators.idempotent_id('c8828027-df48-4021-95df-b65b92c7429e')
+    def test_assignments_for_implied_roles_create_delete(self):
+        # Create a grant using "roles[0]"
+        self.roles_client.create_user_role_on_project(
+            self.project['id'], self.user_body['id'], self.roles[0]['id'])
+        self.addCleanup(
+            self.roles_client.delete_role_from_user_on_project,
+            self.project['id'], self.user_body['id'], self.roles[0]['id'])
+
+        # Create an inference rule from "roles[0]" to "roles[1]"
+        self._create_implied_role(self.roles[0]['id'], self.roles[1]['id'],
+                                  ignore_not_found=True)
+
+        # In the effective list of role assignments, both prior role and
+        # implied role should be present. This means that a user can
+        # authenticate using both roles (both roles will be present
+        # in the token).
+        params = {'scope.project.id': self.project['id'],
+                  'user.id': self.user_body['id']}
+        role_assignments = self.role_assignments.list_role_assignments(
+            effective=True, **params)['role_assignments']
+        self.assertEqual(2, len(role_assignments))
+
+        roles_ids = [assignment['role']['id']
+                     for assignment in role_assignments]
+        self.assertIn(self.roles[0]['id'], roles_ids)
+        self.assertIn(self.roles[1]['id'], roles_ids)
+
+        # After deleting the implied role, only the assignment with "roles[0]"
+        # should be present.
+        self.roles_client.delete_role_inference_rule(
+            self.roles[0]['id'], self.roles[1]['id'])
+
+        role_assignments = self.role_assignments.list_role_assignments(
+            effective=True, **params)['role_assignments']
+        self.assertEqual(1, len(role_assignments))
+
+        roles_ids = [assignment['role']['id']
+                     for assignment in role_assignments]
+        self.assertIn(self.roles[0]['id'], roles_ids)
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index 9515788..3bbe47a 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -67,7 +67,7 @@
             return role[0]
 
     def _create_test_user(self, **kwargs):
-        if kwargs['password'] is None:
+        if kwargs.get('password', None) is None:
             user_password = data_utils.rand_password()
             kwargs['password'] = user_password
         user = self.users_client.create_user(**kwargs)['user']
diff --git a/tempest/api/identity/v3/test_api_discovery.py b/tempest/api/identity/v3/test_api_discovery.py
index 74e9ec1..2eed3c8 100644
--- a/tempest/api/identity/v3/test_api_discovery.py
+++ b/tempest/api/identity/v3/test_api_discovery.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 from tempest.api.identity import base
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -21,7 +22,7 @@
     """Tests for API discovery features."""
 
     @test.attr(type='smoke')
-    @test.idempotent_id('b9232f5e-d9e5-4d97-b96c-28d3db4de1bd')
+    @decorators.idempotent_id('b9232f5e-d9e5-4d97-b96c-28d3db4de1bd')
     def test_api_version_resources(self):
         descr = self.non_admin_client.show_api_description()['version']
         expected_resources = ('id', 'links', 'media-types', 'status',
@@ -32,7 +33,7 @@
             self.assertIn(res, keys)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('657c1970-4722-4189-8831-7325f3bc4265')
+    @decorators.idempotent_id('657c1970-4722-4189-8831-7325f3bc4265')
     def test_api_media_types(self):
         descr = self.non_admin_client.show_api_description()['version']
         # Get MIME type bases and descriptions
@@ -47,7 +48,7 @@
             self.assertIn(s_type, media_types)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('8879a470-abfb-47bb-bb8d-5a7fd279ad1e')
+    @decorators.idempotent_id('8879a470-abfb-47bb-bb8d-5a7fd279ad1e')
     def test_api_version_statuses(self):
         descr = self.non_admin_client.show_api_description()['version']
         status = descr['status'].lower()
diff --git a/tempest/api/identity/v3/test_projects.py b/tempest/api/identity/v3/test_projects.py
index 26cb90b..570be99 100644
--- a/tempest/api/identity/v3/test_projects.py
+++ b/tempest/api/identity/v3/test_projects.py
@@ -14,15 +14,15 @@
 #    under the License.
 
 from tempest.api.identity import base
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
-from tempest import test
 
 
 class IdentityV3ProjectsTest(base.BaseIdentityV3Test):
 
     credentials = ['primary', 'alt']
 
-    @test.idempotent_id('86128d46-e170-4644-866a-cc487f699e1d')
+    @decorators.idempotent_id('86128d46-e170-4644-866a-cc487f699e1d')
     def test_list_projects_returns_only_authorized_projects(self):
         alt_project_name =\
             self.alt_manager.credentials.project_name
diff --git a/tempest/api/identity/v3/test_tokens.py b/tempest/api/identity/v3/test_tokens.py
index b410da6..1dc1df6 100644
--- a/tempest/api/identity/v3/test_tokens.py
+++ b/tempest/api/identity/v3/test_tokens.py
@@ -16,12 +16,12 @@
 from oslo_utils import timeutils
 import six
 from tempest.api.identity import base
-from tempest import test
+from tempest.lib import decorators
 
 
 class TokensV3Test(base.BaseIdentityV3Test):
 
-    @test.idempotent_id('6f8e4436-fc96-4282-8122-e41df57197a9')
+    @decorators.idempotent_id('6f8e4436-fc96-4282-8122-e41df57197a9')
     def test_create_token(self):
 
         creds = self.os.credentials
diff --git a/tempest/api/identity/v3/test_users.py b/tempest/api/identity/v3/test_users.py
index 9592cb9..f263258 100644
--- a/tempest/api/identity/v3/test_users.py
+++ b/tempest/api/identity/v3/test_users.py
@@ -20,8 +20,8 @@
 from tempest.api.identity import base
 from tempest import config
 from tempest.lib.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions
-from tempest import test
 
 
 CONF = config.CONF
@@ -78,7 +78,7 @@
         time.sleep(1)
         self.non_admin_users_client.auth_provider.set_auth()
 
-    @test.idempotent_id('ad71bd23-12ad-426b-bb8b-195d2b635f27')
+    @decorators.idempotent_id('ad71bd23-12ad-426b-bb8b-195d2b635f27')
     def test_user_update_own_password(self):
         old_pass = self.creds.password
         old_token = self.non_admin_client.token
@@ -103,7 +103,7 @@
 
     @testtools.skipUnless(CONF.identity_feature_enabled.security_compliance,
                           'Security compliance not available.')
-    @test.idempotent_id('941784ee-5342-4571-959b-b80dd2cea516')
+    @decorators.idempotent_id('941784ee-5342-4571-959b-b80dd2cea516')
     def test_password_history_check_self_service_api(self):
         old_pass = self.creds.password
         new_pass1 = data_utils.rand_password()
@@ -133,7 +133,7 @@
 
     @testtools.skipUnless(CONF.identity_feature_enabled.security_compliance,
                           'Security compliance not available.')
-    @test.idempotent_id('a7ad8bbf-2cff-4520-8c1d-96332e151658')
+    @decorators.idempotent_id('a7ad8bbf-2cff-4520-8c1d-96332e151658')
     def test_user_account_lockout(self):
         password = self.creds.password
 
diff --git a/tempest/api/image/admin/v2/test_images.py b/tempest/api/image/admin/v2/test_images.py
index fc5ed79..11b595a 100644
--- a/tempest/api/image/admin/v2/test_images.py
+++ b/tempest/api/image/admin/v2/test_images.py
@@ -17,8 +17,8 @@
 import testtools
 
 from tempest.api.image import base
+from tempest.common.utils import data_utils
 from tempest import config
-from tempest.lib.common.utils import data_utils
 from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 
diff --git a/tempest/api/image/v1/test_images.py b/tempest/api/image/v1/test_images.py
index a79c18c..756c78c 100644
--- a/tempest/api/image/v1/test_images.py
+++ b/tempest/api/image/v1/test_images.py
@@ -145,24 +145,24 @@
         a_formats = ['ami', 'ari', 'aki']
 
         (cls.container_format,
-         cls.container_format_alt) = CONF.image.container_formats[:2]
+         container_format_alt) = CONF.image.container_formats[:2]
         cls.disk_format, cls.disk_format_alt = CONF.image.disk_formats[:2]
         if cls.container_format in a_formats:
             cls.disk_format = cls.container_format
-        if cls.container_format_alt in a_formats:
-            cls.disk_format_alt = cls.container_format_alt
+        if container_format_alt in a_formats:
+            cls.disk_format_alt = container_format_alt
 
         img1 = cls._create_remote_image('one', cls.container_format,
                                         cls.disk_format)
-        img2 = cls._create_remote_image('two', cls.container_format_alt,
+        img2 = cls._create_remote_image('two', container_format_alt,
                                         cls.disk_format_alt)
         img3 = cls._create_remote_image('dup', cls.container_format,
                                         cls.disk_format)
         img4 = cls._create_remote_image('dup', cls.container_format,
                                         cls.disk_format)
-        img5 = cls._create_standard_image('1', cls.container_format_alt,
+        img5 = cls._create_standard_image('1', container_format_alt,
                                           cls.disk_format_alt, 42)
-        img6 = cls._create_standard_image('2', cls.container_format_alt,
+        img6 = cls._create_standard_image('2', container_format_alt,
                                           cls.disk_format_alt, 142)
         img7 = cls._create_standard_image('33', cls.container_format,
                                           cls.disk_format, 142)
diff --git a/tempest/api/network/admin/test_dhcp_agent_scheduler.py b/tempest/api/network/admin/test_dhcp_agent_scheduler.py
index 868771f..485c8f5 100644
--- a/tempest/api/network/admin/test_dhcp_agent_scheduler.py
+++ b/tempest/api/network/admin/test_dhcp_agent_scheduler.py
@@ -32,7 +32,7 @@
         # Create a network and make sure it will be hosted by a
         # dhcp agent: this is done by creating a regular port
         cls.network = cls.create_network()
-        cls.subnet = cls.create_subnet(cls.network)
+        cls.create_subnet(cls.network)
         cls.port = cls.create_port(cls.network)
 
     @decorators.idempotent_id('5032b1fe-eb42-4a64-8f3b-6e189d8b5c7d')
diff --git a/tempest/api/network/admin/test_external_networks_negative.py b/tempest/api/network/admin/test_external_networks_negative.py
index 743089a..770d91f 100644
--- a/tempest/api/network/admin/test_external_networks_negative.py
+++ b/tempest/api/network/admin/test_external_networks_negative.py
@@ -12,6 +12,7 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+import testtools
 
 from tempest.api.network import base
 from tempest import config
@@ -27,6 +28,8 @@
 
     @test.attr(type=['negative'])
     @decorators.idempotent_id('d402ae6c-0be0-4d8e-833b-a738895d98d0')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_create_port_with_precreated_floatingip_as_fixed_ip(self):
         # NOTE: External networks can be used to create both floating-ip as
         # well as instance-ip. So, creating an instance-ip with a value of a
diff --git a/tempest/api/network/admin/test_floating_ips_admin_actions.py b/tempest/api/network/admin/test_floating_ips_admin_actions.py
index c36323a..9a17817 100644
--- a/tempest/api/network/admin/test_floating_ips_admin_actions.py
+++ b/tempest/api/network/admin/test_floating_ips_admin_actions.py
@@ -31,6 +31,9 @@
         if not test.is_extension_enabled('router', 'network'):
             msg = "router extension not enabled."
             raise cls.skipException(msg)
+        if not CONF.network.public_network_id:
+            msg = "The public_network_id option must be specified."
+            raise cls.skipException(msg)
 
     @classmethod
     def setup_clients(cls):
@@ -43,9 +46,9 @@
         cls.ext_net_id = CONF.network.public_network_id
         cls.floating_ip = cls.create_floatingip(cls.ext_net_id)
         cls.network = cls.create_network()
-        cls.subnet = cls.create_subnet(cls.network)
-        cls.router = cls.create_router(external_network_id=cls.ext_net_id)
-        cls.create_router_interface(cls.router['id'], cls.subnet['id'])
+        subnet = cls.create_subnet(cls.network)
+        router = cls.create_router(external_network_id=cls.ext_net_id)
+        cls.create_router_interface(router['id'], subnet['id'])
         cls.port = cls.create_port(cls.network)
 
     @decorators.idempotent_id('64f2100b-5471-4ded-b46c-ddeeeb4f231b')
diff --git a/tempest/api/network/admin/test_l3_agent_scheduler.py b/tempest/api/network/admin/test_l3_agent_scheduler.py
index 5a54ae0..e1970b9 100644
--- a/tempest/api/network/admin/test_l3_agent_scheduler.py
+++ b/tempest/api/network/admin/test_l3_agent_scheduler.py
@@ -79,7 +79,7 @@
                     cls.router['id'])['router'].get('distributed', False)
                 if cls.is_dvr_router:
                     cls.network = cls.create_network()
-                    cls.subnet = cls.create_subnet(cls.network)
+                    cls.create_subnet(cls.network)
                     cls.port = cls.create_port(cls.network)
                     cls.routers_client.add_router_interface(
                         cls.router['id'], port_id=cls.port['id'])
diff --git a/tempest/api/network/base_routers.py b/tempest/api/network/base_routers.py
index 5fb5232..f6fd871 100644
--- a/tempest/api/network/base_routers.py
+++ b/tempest/api/network/base_routers.py
@@ -38,10 +38,8 @@
         client.delete_router(router_id)
         # Asserting that the router is not found in the list
         # after deletion
-        list_body = self.routers_client.list_routers()
-        routers_list = list()
-        for router in list_body['routers']:
-            routers_list.append(router['id'])
+        list_body = client.list_routers()
+        routers_list = [router['id'] for router in list_body['routers']]
         self.assertNotIn(router_id, routers_list)
 
     def _add_router_interface_with_subnet_id(self, router_id, subnet_id):
diff --git a/tempest/api/network/test_dhcp_ipv6.py b/tempest/api/network/test_dhcp_ipv6.py
index fa4010d..136f9e6 100644
--- a/tempest/api/network/test_dhcp_ipv6.py
+++ b/tempest/api/network/test_dhcp_ipv6.py
@@ -13,9 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import netaddr
 import random
 
+import netaddr
+
 from tempest.api.network import base
 from tempest.common.utils import data_utils
 from tempest.common.utils import net_info
diff --git a/tempest/api/network/test_extra_dhcp_options.py b/tempest/api/network/test_extra_dhcp_options.py
index 52507f9..1156275 100644
--- a/tempest/api/network/test_extra_dhcp_options.py
+++ b/tempest/api/network/test_extra_dhcp_options.py
@@ -43,16 +43,16 @@
     def resource_setup(cls):
         super(ExtraDHCPOptionsTestJSON, cls).resource_setup()
         cls.network = cls.create_network()
-        cls.subnet = cls.create_subnet(cls.network)
+        cls.create_subnet(cls.network)
         cls.port = cls.create_port(cls.network)
-        cls.ip_tftp = ('123.123.123.123' if cls._ip_version == 4
-                       else '2015::dead')
-        cls.ip_server = ('123.123.123.45' if cls._ip_version == 4
-                         else '2015::badd')
+        ip_tftp = ('123.123.123.123' if cls._ip_version == 4
+                   else '2015::dead')
+        ip_server = ('123.123.123.45' if cls._ip_version == 4
+                     else '2015::badd')
         cls.extra_dhcp_opts = [
             {'opt_value': 'pxelinux.0', 'opt_name': 'bootfile-name'},
-            {'opt_value': cls.ip_tftp, 'opt_name': 'tftp-server'},
-            {'opt_value': cls.ip_server, 'opt_name': 'server-ip-address'}
+            {'opt_value': ip_tftp, 'opt_name': 'tftp-server'},
+            {'opt_value': ip_server, 'opt_name': 'server-ip-address'}
         ]
 
     @decorators.idempotent_id('d2c17063-3767-4a24-be4f-a23dbfa133c9')
diff --git a/tempest/api/network/test_floating_ips.py b/tempest/api/network/test_floating_ips.py
index 23614d6..1dc574b 100644
--- a/tempest/api/network/test_floating_ips.py
+++ b/tempest/api/network/test_floating_ips.py
@@ -46,6 +46,9 @@
         if not test.is_extension_enabled('router', 'network'):
             msg = "router extension not enabled."
             raise cls.skipException(msg)
+        if not CONF.network.public_network_id:
+            msg = "The public_network_id option must be specified."
+            raise cls.skipException(msg)
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/network/test_floating_ips_negative.py b/tempest/api/network/test_floating_ips_negative.py
index 9ccda05..cb29d3d 100644
--- a/tempest/api/network/test_floating_ips_negative.py
+++ b/tempest/api/network/test_floating_ips_negative.py
@@ -37,6 +37,9 @@
         if not test.is_extension_enabled('router', 'network'):
             msg = "router extension not enabled."
             raise cls.skipException(msg)
+        if not CONF.network.public_network_id:
+            msg = "The public_network_id option must be specified."
+            raise cls.skipException(msg)
 
     @classmethod
     def resource_setup(cls):
@@ -44,9 +47,9 @@
         cls.ext_net_id = CONF.network.public_network_id
         # Create a network with a subnet connected to a router.
         cls.network = cls.create_network()
-        cls.subnet = cls.create_subnet(cls.network)
-        cls.router = cls.create_router()
-        cls.create_router_interface(cls.router['id'], cls.subnet['id'])
+        subnet = cls.create_subnet(cls.network)
+        router = cls.create_router()
+        cls.create_router_interface(router['id'], subnet['id'])
         cls.port = cls.create_port(cls.network)
 
     @test.attr(type=['negative'])
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index 1426798..69d4ebe 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -34,7 +34,6 @@
     def resource_setup(cls):
         super(BaseNetworkTestResources, cls).resource_setup()
         cls.network = cls.create_network()
-        cls.name = cls.network['name']
         cls.subnet = cls._create_subnet_with_last_subnet_block(cls.network,
                                                                cls._ip_version)
         cls._subnet_data = {6: {'gateway':
diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index 524ab9e..694b86b 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import netaddr
+import testtools
 
 from tempest.api.network import base_routers as base
 from tempest.common.utils import data_utils
@@ -42,6 +43,8 @@
 
     @test.attr(type='smoke')
     @decorators.idempotent_id('f64403e2-8483-4b34-8ccd-b09a87bcc68c')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_create_show_list_update_delete_router(self):
         # Create a router
         router = self._create_router(
@@ -89,6 +92,8 @@
 
     @decorators.idempotent_id('847257cc-6afd-4154-b8fb-af49f5670ce8')
     @test.requires_ext(extension='ext-gw-mode', service='network')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_create_router_with_default_snat_value(self):
         # Create a router with default snat rule
         router = self._create_router(
@@ -99,6 +104,8 @@
 
     @decorators.idempotent_id('ea74068d-09e9-4fd7-8995-9b6a1ace920f')
     @test.requires_ext(extension='ext-gw-mode', service='network')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_create_router_with_snat_explicit(self):
         name = data_utils.rand_name('snat-router')
         # Create a router enabling snat attributes
@@ -184,6 +191,8 @@
             self.assertIn(subnet_id, public_subnet_ids)
 
     @decorators.idempotent_id('6cc285d8-46bf-4f36-9b1a-783e3008ba79')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_update_router_set_gateway(self):
         router = self._create_router()
         self.routers_client.update_router(
@@ -198,6 +207,8 @@
 
     @decorators.idempotent_id('b386c111-3b21-466d-880c-5e72b01e1a33')
     @test.requires_ext(extension='ext-gw-mode', service='network')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_update_router_set_gateway_with_snat_explicit(self):
         router = self._create_router()
         self.admin_routers_client.update_router(
@@ -213,6 +224,8 @@
 
     @decorators.idempotent_id('96536bc7-8262-4fb2-9967-5c46940fa279')
     @test.requires_ext(extension='ext-gw-mode', service='network')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_update_router_set_gateway_without_snat(self):
         router = self._create_router()
         self.admin_routers_client.update_router(
@@ -227,6 +240,8 @@
         self._verify_gateway_port(router['id'])
 
     @decorators.idempotent_id('ad81b7ee-4f81-407b-a19c-17e623f763e8')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_update_router_unset_gateway(self):
         router = self._create_router(
             external_network_id=CONF.network.public_network_id)
@@ -241,6 +256,8 @@
 
     @decorators.idempotent_id('f2faf994-97f4-410b-a831-9bc977b64374')
     @test.requires_ext(extension='ext-gw-mode', service='network')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     def test_update_router_reset_gateway_without_snat(self):
         router = self._create_router(
             external_network_id=CONF.network.public_network_id)
diff --git a/tempest/api/object_storage/base.py b/tempest/api/object_storage/base.py
index e0216fd..642c1ac 100644
--- a/tempest/api/object_storage/base.py
+++ b/tempest/api/object_storage/base.py
@@ -16,8 +16,8 @@
 import time
 
 from tempest.common import custom_matchers
+from tempest.common.utils import data_utils
 from tempest import config
-from tempest.lib.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
 from tempest.lib import exceptions as lib_exc
 import tempest.test
diff --git a/tempest/api/object_storage/test_account_bulk.py b/tempest/api/object_storage/test_account_bulk.py
index 1eda49a..d882731 100644
--- a/tempest/api/object_storage/test_account_bulk.py
+++ b/tempest/api/object_storage/test_account_bulk.py
@@ -17,6 +17,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -68,7 +69,7 @@
         self.assertHeaders(resp, 'Account', 'GET')
         self.assertNotIn(container_name, body)
 
-    @test.idempotent_id('a407de51-1983-47cc-9f14-47c2b059413c')
+    @decorators.idempotent_id('a407de51-1983-47cc-9f14-47c2b059413c')
     @test.requires_ext(extension='bulk_upload', service='object')
     def test_extract_archive(self):
         # Test bulk operation of file upload with an archived file
@@ -104,7 +105,7 @@
 
         self.assertIn(object_name, [c['name'] for c in contents_list])
 
-    @test.idempotent_id('c075e682-0d2a-43b2-808d-4116200d736d')
+    @decorators.idempotent_id('c075e682-0d2a-43b2-808d-4116200d736d')
     @test.requires_ext(extension='bulk_delete', service='object')
     def test_bulk_delete(self):
         # Test bulk operation of deleting multiple files
@@ -131,7 +132,7 @@
         # Check if uploaded contents are completely deleted
         self._check_contents_deleted(container_name)
 
-    @test.idempotent_id('dbea2bcb-efbb-4674-ac8a-a5a0e33d1d79')
+    @decorators.idempotent_id('dbea2bcb-efbb-4674-ac8a-a5a0e33d1d79')
     @test.requires_ext(extension='bulk_delete', service='object')
     def test_bulk_delete_by_POST(self):
         # Test bulk operation of deleting multiple files
diff --git a/tempest/api/object_storage/test_account_quotas.py b/tempest/api/object_storage/test_account_quotas.py
index fcbd6eb..cbf0d4b 100644
--- a/tempest/api/object_storage/test_account_quotas.py
+++ b/tempest/api/object_storage/test_account_quotas.py
@@ -15,6 +15,7 @@
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
 from tempest import config
+from tempest.lib import decorators
 from tempest import test
 
 CONF = config.CONF
@@ -76,7 +77,7 @@
         super(AccountQuotasTest, cls).resource_cleanup()
 
     @test.attr(type="smoke")
-    @test.idempotent_id('a22ef352-a342-4587-8f47-3bbdb5b039c4')
+    @decorators.idempotent_id('a22ef352-a342-4587-8f47-3bbdb5b039c4')
     @test.requires_ext(extension='account_quotas', service='object')
     def test_upload_valid_object(self):
         object_name = data_utils.rand_name(name="TestObject")
@@ -87,7 +88,7 @@
         self.assertHeaders(resp, 'Object', 'PUT')
 
     @test.attr(type=["smoke"])
-    @test.idempotent_id('63f51f9f-5f1d-4fc6-b5be-d454d70949d6')
+    @decorators.idempotent_id('63f51f9f-5f1d-4fc6-b5be-d454d70949d6')
     @test.requires_ext(extension='account_quotas', service='object')
     def test_admin_modify_quota(self):
         """Test ResellerAdmin can modify/remove the quota on a user's account
diff --git a/tempest/api/object_storage/test_account_quotas_negative.py b/tempest/api/object_storage/test_account_quotas_negative.py
index ae8dfcc..2e85a43 100644
--- a/tempest/api/object_storage/test_account_quotas_negative.py
+++ b/tempest/api/object_storage/test_account_quotas_negative.py
@@ -14,6 +14,7 @@
 
 from tempest.api.object_storage import base
 from tempest import config
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -75,7 +76,7 @@
         super(AccountQuotasNegativeTest, cls).resource_cleanup()
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('d1dc5076-555e-4e6d-9697-28f1fe976324')
+    @decorators.idempotent_id('d1dc5076-555e-4e6d-9697-28f1fe976324')
     @test.requires_ext(extension='account_quotas', service='object')
     def test_user_modify_quota(self):
         """Test that a user cannot modify or remove a quota on its account."""
diff --git a/tempest/api/object_storage/test_account_services.py b/tempest/api/object_storage/test_account_services.py
index 59129e5..cf7dbe8 100644
--- a/tempest/api/object_storage/test_account_services.py
+++ b/tempest/api/object_storage/test_account_services.py
@@ -22,6 +22,7 @@
 from tempest.common import custom_matchers
 from tempest.common.utils import data_utils
 from tempest import config
+from tempest.lib import decorators
 from tempest import test
 
 CONF = config.CONF
@@ -54,7 +55,7 @@
         super(AccountTest, cls).resource_cleanup()
 
     @test.attr(type='smoke')
-    @test.idempotent_id('3499406a-ae53-4f8c-b43a-133d4dc6fe3f')
+    @decorators.idempotent_id('3499406a-ae53-4f8c-b43a-133d4dc6fe3f')
     def test_list_containers(self):
         # list of all containers should not be empty
         resp, container_list = self.account_client.list_account_containers()
@@ -66,7 +67,7 @@
             self.assertIn(six.text_type(container_name).encode('utf-8'),
                           container_list)
 
-    @test.idempotent_id('884ec421-fbad-4fcc-916b-0580f2699565')
+    @decorators.idempotent_id('884ec421-fbad-4fcc-916b-0580f2699565')
     def test_list_no_containers(self):
         # List request to empty account
 
@@ -103,7 +104,7 @@
 
         self.assertEqual(len(container_list), 0)
 
-    @test.idempotent_id('1c7efa35-e8a2-4b0b-b5ff-862c7fd83704')
+    @decorators.idempotent_id('1c7efa35-e8a2-4b0b-b5ff-862c7fd83704')
     def test_list_containers_with_format_json(self):
         # list containers setting format parameter to 'json'
         params = {'format': 'json'}
@@ -115,7 +116,7 @@
         self.assertTrue([c['count'] for c in container_list])
         self.assertTrue([c['bytes'] for c in container_list])
 
-    @test.idempotent_id('4477b609-1ca6-4d4b-b25d-ad3f01086089')
+    @decorators.idempotent_id('4477b609-1ca6-4d4b-b25d-ad3f01086089')
     def test_list_containers_with_format_xml(self):
         # list containers setting format parameter to 'xml'
         params = {'format': 'xml'}
@@ -130,7 +131,7 @@
         self.assertEqual(container_list.find(".//count").tag, 'count')
         self.assertEqual(container_list.find(".//bytes").tag, 'bytes')
 
-    @test.idempotent_id('6eb04a6a-4860-4e31-ba91-ea3347d76b58')
+    @decorators.idempotent_id('6eb04a6a-4860-4e31-ba91-ea3347d76b58')
     @testtools.skipIf(
         not CONF.object_storage_feature_enabled.discoverability,
         'Discoverability function is disabled')
@@ -139,7 +140,7 @@
 
         self.assertThat(resp, custom_matchers.AreAllWellFormatted())
 
-    @test.idempotent_id('5cfa4ab2-4373-48dd-a41f-a532b12b08b2')
+    @decorators.idempotent_id('5cfa4ab2-4373-48dd-a41f-a532b12b08b2')
     def test_list_containers_with_limit(self):
         # list containers one of them, half of them then all of them
         for limit in (1, self.containers_count // 2,
@@ -151,7 +152,7 @@
 
             self.assertEqual(len(container_list), limit)
 
-    @test.idempotent_id('638f876d-6a43-482a-bbb3-0840bca101c6')
+    @decorators.idempotent_id('638f876d-6a43-482a-bbb3-0840bca101c6')
     def test_list_containers_with_marker(self):
         # list containers using marker param
         # first expect to get 0 container as we specified last
@@ -172,7 +173,7 @@
         self.assertEqual(len(container_list),
                          self.containers_count // 2 - 1)
 
-    @test.idempotent_id('5ca164e4-7bde-43fa-bafb-913b53b9e786')
+    @decorators.idempotent_id('5ca164e4-7bde-43fa-bafb-913b53b9e786')
     def test_list_containers_with_end_marker(self):
         # list containers using end_marker param
         # first expect to get 0 container as we specified first container as
@@ -190,7 +191,7 @@
         self.assertHeaders(resp, 'Account', 'GET')
         self.assertEqual(len(container_list), self.containers_count // 2)
 
-    @test.idempotent_id('ac8502c2-d4e4-4f68-85a6-40befea2ef5e')
+    @decorators.idempotent_id('ac8502c2-d4e4-4f68-85a6-40befea2ef5e')
     def test_list_containers_with_marker_and_end_marker(self):
         # list containers combining marker and end_marker param
         params = {'marker': self.containers[0],
@@ -200,7 +201,7 @@
         self.assertHeaders(resp, 'Account', 'GET')
         self.assertEqual(len(container_list), self.containers_count - 2)
 
-    @test.idempotent_id('f7064ae8-dbcc-48da-b594-82feef6ea5af')
+    @decorators.idempotent_id('f7064ae8-dbcc-48da-b594-82feef6ea5af')
     def test_list_containers_with_limit_and_marker(self):
         # list containers combining marker and limit param
         # result are always limitated by the limit whatever the marker
@@ -215,7 +216,7 @@
             self.assertLessEqual(len(container_list), limit,
                                  str(container_list))
 
-    @test.idempotent_id('888a3f0e-7214-4806-8e50-5e0c9a69bb5e')
+    @decorators.idempotent_id('888a3f0e-7214-4806-8e50-5e0c9a69bb5e')
     def test_list_containers_with_limit_and_end_marker(self):
         # list containers combining limit and end_marker param
         limit = random.randint(1, self.containers_count)
@@ -227,7 +228,7 @@
         self.assertEqual(len(container_list),
                          min(limit, self.containers_count // 2))
 
-    @test.idempotent_id('8cf98d9c-e3a0-4e44-971b-c87656fdddbd')
+    @decorators.idempotent_id('8cf98d9c-e3a0-4e44-971b-c87656fdddbd')
     def test_list_containers_with_limit_and_marker_and_end_marker(self):
         # list containers combining limit, marker and end_marker param
         limit = random.randint(1, self.containers_count)
@@ -240,7 +241,7 @@
         self.assertEqual(len(container_list),
                          min(limit, self.containers_count - 2))
 
-    @test.idempotent_id('365e6fc7-1cfe-463b-a37c-8bd08d47b6aa')
+    @decorators.idempotent_id('365e6fc7-1cfe-463b-a37c-8bd08d47b6aa')
     def test_list_containers_with_prefix(self):
         # list containers that have a name that starts with a prefix
         prefix = '{0}-a'.format(CONF.resources_prefix)
@@ -252,8 +253,20 @@
             self.assertEqual(True, container.decode(
                 'utf-8').startswith(prefix))
 
+    @decorators.idempotent_id('b1811cff-d1ed-4c15-a52e-efd8de41cf34')
+    def test_list_containers_reverse_order(self):
+        # list containers in reverse order
+        _, orig_container_list = self.account_client.list_account_containers()
+
+        params = {'reverse': True}
+        resp, container_list = self.account_client.list_account_containers(
+            params=params)
+        self.assertHeaders(resp, 'Account', 'GET')
+        self.assertEqual(sorted(orig_container_list, reverse=True),
+                         container_list)
+
     @test.attr(type='smoke')
-    @test.idempotent_id('4894c312-6056-4587-8d6f-86ffbf861f80')
+    @decorators.idempotent_id('4894c312-6056-4587-8d6f-86ffbf861f80')
     def test_list_account_metadata(self):
         # list all account metadata
 
@@ -268,14 +281,14 @@
         self.assertIn('x-account-meta-test-account-meta2', resp)
         self.account_client.delete_account_metadata(metadata)
 
-    @test.idempotent_id('b904c2e3-24c2-4dba-ad7d-04e90a761be5')
+    @decorators.idempotent_id('b904c2e3-24c2-4dba-ad7d-04e90a761be5')
     def test_list_no_account_metadata(self):
         # list no account metadata
         resp, _ = self.account_client.list_account_metadata()
         self.assertHeaders(resp, 'Account', 'HEAD')
         self.assertNotIn('x-account-meta-', str(resp))
 
-    @test.idempotent_id('e2a08b5f-3115-4768-a3ee-d4287acd6c08')
+    @decorators.idempotent_id('e2a08b5f-3115-4768-a3ee-d4287acd6c08')
     def test_update_account_metadata_with_create_metadata(self):
         # add metadata to account
         metadata = {'test-account-meta1': 'Meta1'}
@@ -289,8 +302,8 @@
 
         self.account_client.delete_account_metadata(metadata)
 
-    @test.idempotent_id('9f60348d-c46f-4465-ae06-d51dbd470953')
-    def test_update_account_metadata_with_delete_matadata(self):
+    @decorators.idempotent_id('9f60348d-c46f-4465-ae06-d51dbd470953')
+    def test_update_account_metadata_with_delete_metadata(self):
         # delete metadata from account
         metadata = {'test-account-meta1': 'Meta1'}
         self.account_client.create_account_metadata(metadata)
@@ -300,8 +313,8 @@
         resp, _ = self.account_client.list_account_metadata()
         self.assertNotIn('x-account-meta-test-account-meta1', resp)
 
-    @test.idempotent_id('64fd53f3-adbd-4639-af54-436e4982dbfb')
-    def test_update_account_metadata_with_create_matadata_key(self):
+    @decorators.idempotent_id('64fd53f3-adbd-4639-af54-436e4982dbfb')
+    def test_update_account_metadata_with_create_metadata_key(self):
         # if the value of metadata is not set, the metadata is not
         # registered at a server
         metadata = {'test-account-meta1': ''}
@@ -311,8 +324,8 @@
         resp, _ = self.account_client.list_account_metadata()
         self.assertNotIn('x-account-meta-test-account-meta1', resp)
 
-    @test.idempotent_id('d4d884d3-4696-4b85-bc98-4f57c4dd2bf1')
-    def test_update_account_metadata_with_delete_matadata_key(self):
+    @decorators.idempotent_id('d4d884d3-4696-4b85-bc98-4f57c4dd2bf1')
+    def test_update_account_metadata_with_delete_metadata_key(self):
         # Although the value of metadata is not set, the feature of
         # deleting metadata is valid
         metadata_1 = {'test-account-meta1': 'Meta1'}
@@ -324,7 +337,7 @@
         resp, _ = self.account_client.list_account_metadata()
         self.assertNotIn('x-account-meta-test-account-meta1', resp)
 
-    @test.idempotent_id('8e5fc073-59b9-42ee-984a-29ed11b2c749')
+    @decorators.idempotent_id('8e5fc073-59b9-42ee-984a-29ed11b2c749')
     def test_update_account_metadata_with_create_and_delete_metadata(self):
         # Send a request adding and deleting metadata requests simultaneously
         metadata_1 = {'test-account-meta1': 'Meta1'}
diff --git a/tempest/api/object_storage/test_account_services_negative.py b/tempest/api/object_storage/test_account_services_negative.py
index 254a9b3..d46534b 100644
--- a/tempest/api/object_storage/test_account_services_negative.py
+++ b/tempest/api/object_storage/test_account_services_negative.py
@@ -14,6 +14,7 @@
 
 from tempest.api.object_storage import base
 from tempest import config
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -32,7 +33,7 @@
         cls.os_operator = cls.os_roles_operator_alt
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('070e6aca-6152-4867-868d-1118d68fb38c')
+    @decorators.idempotent_id('070e6aca-6152-4867-868d-1118d68fb38c')
     def test_list_containers_with_non_authorized_user(self):
         # list containers using non-authorized user
 
diff --git a/tempest/api/object_storage/test_container_acl.py b/tempest/api/object_storage/test_container_acl.py
index e555fd9..aa4e92c 100644
--- a/tempest/api/object_storage/test_container_acl.py
+++ b/tempest/api/object_storage/test_container_acl.py
@@ -16,7 +16,7 @@
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
 from tempest import config
-from tempest import test
+from tempest.lib import decorators
 
 CONF = config.CONF
 
@@ -34,7 +34,7 @@
         self.delete_containers()
         super(ObjectTestACLs, self).tearDown()
 
-    @test.idempotent_id('a3270f3f-7640-4944-8448-c7ea783ea5b6')
+    @decorators.idempotent_id('a3270f3f-7640-4944-8448-c7ea783ea5b6')
     def test_read_object_with_rights(self):
         # attempt to read object using authorized user
         # update X-Container-Read metadata ACL
@@ -61,7 +61,7 @@
             self.container_name, object_name)
         self.assertHeaders(resp, 'Object', 'GET')
 
-    @test.idempotent_id('aa58bfa5-40d9-4bc3-82b4-d07f4a9e392a')
+    @decorators.idempotent_id('aa58bfa5-40d9-4bc3-82b4-d07f4a9e392a')
     def test_write_object_with_rights(self):
         # attempt to write object using authorized user
         # update X-Container-Write metadata ACL
diff --git a/tempest/api/object_storage/test_container_acl_negative.py b/tempest/api/object_storage/test_container_acl_negative.py
index 0055bf9..d5d5ea7 100644
--- a/tempest/api/object_storage/test_container_acl_negative.py
+++ b/tempest/api/object_storage/test_container_acl_negative.py
@@ -15,6 +15,7 @@
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
 from tempest import config
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -47,7 +48,7 @@
         super(ObjectACLsNegativeTest, self).tearDown()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('af587587-0c24-4e15-9822-8352ce711013')
+    @decorators.idempotent_id('af587587-0c24-4e15-9822-8352ce711013')
     def test_write_object_without_using_creds(self):
         # trying to create object with empty headers
         # X-Auth-Token is not provided
@@ -61,7 +62,7 @@
                           self.container_name, object_name, 'data', headers={})
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('af85af0b-a025-4e72-a90e-121babf55720')
+    @decorators.idempotent_id('af85af0b-a025-4e72-a90e-121babf55720')
     def test_delete_object_without_using_creds(self):
         # create object
         object_name = data_utils.rand_name(name='Object')
@@ -78,7 +79,7 @@
                           self.container_name, object_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('63d84e37-55a6-42e2-9e5f-276e60e26a00')
+    @decorators.idempotent_id('63d84e37-55a6-42e2-9e5f-276e60e26a00')
     def test_write_object_with_non_authorized_user(self):
         # attempt to upload another file using non-authorized user
         # User provided token is forbidden. ACL are not set
@@ -93,7 +94,7 @@
                           self.container_name, object_name, 'data', headers={})
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('abf63359-be52-4feb-87dd-447689fc77fd')
+    @decorators.idempotent_id('abf63359-be52-4feb-87dd-447689fc77fd')
     def test_read_object_with_non_authorized_user(self):
         # attempt to read object using non-authorized user
         # User provided token is forbidden. ACL are not set
@@ -111,7 +112,7 @@
                           self.container_name, object_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('7343ac3d-cfed-4198-9bb0-00149741a492')
+    @decorators.idempotent_id('7343ac3d-cfed-4198-9bb0-00149741a492')
     def test_delete_object_with_non_authorized_user(self):
         # attempt to delete object using non-authorized user
         # User provided token is forbidden. ACL are not set
@@ -129,7 +130,7 @@
                           self.container_name, object_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('9ed01334-01e9-41ea-87ea-e6f465582823')
+    @decorators.idempotent_id('9ed01334-01e9-41ea-87ea-e6f465582823')
     def test_read_object_without_rights(self):
         # attempt to read object using non-authorized user
         # update X-Container-Read metadata ACL
@@ -153,7 +154,7 @@
                           self.container_name, object_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('a3a585a7-d8cf-4b65-a1a0-edc2b1204f85')
+    @decorators.idempotent_id('a3a585a7-d8cf-4b65-a1a0-edc2b1204f85')
     def test_write_object_without_rights(self):
         # attempt to write object using non-authorized user
         # update X-Container-Write metadata ACL
@@ -174,7 +175,7 @@
                           object_name, 'data', headers={})
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('8ba512ad-aa6e-444e-b882-2906a0ea2052')
+    @decorators.idempotent_id('8ba512ad-aa6e-444e-b882-2906a0ea2052')
     def test_write_object_without_write_rights(self):
         # attempt to write object using non-authorized user
         # update X-Container-Read and X-Container-Write metadata ACL
@@ -199,7 +200,7 @@
                           object_name, 'data', headers={})
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('b4e366f8-f185-47ab-b789-df4416f9ecdb')
+    @decorators.idempotent_id('b4e366f8-f185-47ab-b789-df4416f9ecdb')
     def test_delete_object_without_write_rights(self):
         # attempt to delete object using non-authorized user
         # update X-Container-Read and X-Container-Write metadata ACL
diff --git a/tempest/api/object_storage/test_container_quotas.py b/tempest/api/object_storage/test_container_quotas.py
index 8cbe441..d3b456a 100644
--- a/tempest/api/object_storage/test_container_quotas.py
+++ b/tempest/api/object_storage/test_container_quotas.py
@@ -15,6 +15,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -47,7 +48,7 @@
         self.delete_containers()
         super(ContainerQuotasTest, self).tearDown()
 
-    @test.idempotent_id('9a0fb034-86af-4df0-86fa-f8bd7db21ae0')
+    @decorators.idempotent_id('9a0fb034-86af-4df0-86fa-f8bd7db21ae0')
     @test.requires_ext(extension='container_quotas', service='object')
     @test.attr(type="smoke")
     def test_upload_valid_object(self):
@@ -64,7 +65,7 @@
         nafter = self._get_bytes_used()
         self.assertEqual(nbefore + len(data), nafter)
 
-    @test.idempotent_id('22eeeb2b-3668-4160-baef-44790f65a5a0')
+    @decorators.idempotent_id('22eeeb2b-3668-4160-baef-44790f65a5a0')
     @test.requires_ext(extension='container_quotas', service='object')
     @test.attr(type="smoke")
     def test_upload_large_object(self):
@@ -81,7 +82,7 @@
         nafter = self._get_bytes_used()
         self.assertEqual(nbefore, nafter)
 
-    @test.idempotent_id('3a387039-697a-44fc-a9c0-935de31f426b')
+    @decorators.idempotent_id('3a387039-697a-44fc-a9c0-935de31f426b')
     @test.requires_ext(extension='container_quotas', service='object')
     @test.attr(type="smoke")
     def test_upload_too_many_objects(self):
diff --git a/tempest/api/object_storage/test_container_services.py b/tempest/api/object_storage/test_container_services.py
index e4476a1..2e617f3 100644
--- a/tempest/api/object_storage/test_container_services.py
+++ b/tempest/api/object_storage/test_container_services.py
@@ -14,7 +14,8 @@
 #    under the License.
 
 from tempest.api.object_storage import base
-from tempest.lib.common.utils import data_utils
+from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -24,14 +25,14 @@
         super(ContainerTest, self).tearDown()
 
     @test.attr(type='smoke')
-    @test.idempotent_id('92139d73-7819-4db1-85f8-3f2f22a8d91f')
+    @decorators.idempotent_id('92139d73-7819-4db1-85f8-3f2f22a8d91f')
     def test_create_container(self):
         container_name = data_utils.rand_name(name='TestContainer')
         resp, body = self.container_client.create_container(container_name)
         self.containers.append(container_name)
         self.assertHeaders(resp, 'Container', 'PUT')
 
-    @test.idempotent_id('49f866ed-d6af-4395-93e7-4187eb56d322')
+    @decorators.idempotent_id('49f866ed-d6af-4395-93e7-4187eb56d322')
     def test_create_container_overwrite(self):
         # overwrite container with the same name
         container_name = data_utils.rand_name(name='TestContainer')
@@ -41,7 +42,7 @@
         resp, _ = self.container_client.create_container(container_name)
         self.assertHeaders(resp, 'Container', 'PUT')
 
-    @test.idempotent_id('c2ac4d59-d0f5-40d5-ba19-0635056d48cd')
+    @decorators.idempotent_id('c2ac4d59-d0f5-40d5-ba19-0635056d48cd')
     def test_create_container_with_metadata_key(self):
         # create container with the blank value of metadata
         container_name = data_utils.rand_name(name='TestContainer')
@@ -58,7 +59,7 @@
         # in the server
         self.assertNotIn('x-container-meta-test-container-meta', resp)
 
-    @test.idempotent_id('e1e8df32-7b22-44e1-aa08-ccfd8d446b58')
+    @decorators.idempotent_id('e1e8df32-7b22-44e1-aa08-ccfd8d446b58')
     def test_create_container_with_metadata_value(self):
         # create container with metadata value
         container_name = data_utils.rand_name(name='TestContainer')
@@ -77,7 +78,7 @@
         self.assertEqual(resp['x-container-meta-test-container-meta'],
                          metadata['test_container_meta'])
 
-    @test.idempotent_id('24d16451-1c0c-4e4f-b59c-9840a3aba40e')
+    @decorators.idempotent_id('24d16451-1c0c-4e4f-b59c-9840a3aba40e')
     def test_create_container_with_remove_metadata_key(self):
         # create container with the blank value of remove metadata
         container_name = data_utils.rand_name(name='TestContainer')
@@ -97,7 +98,7 @@
             container_name)
         self.assertNotIn('x-container-meta-test-container-meta', resp)
 
-    @test.idempotent_id('8a21ebad-a5c7-4e29-b428-384edc8cd156')
+    @decorators.idempotent_id('8a21ebad-a5c7-4e29-b428-384edc8cd156')
     def test_create_container_with_remove_metadata_value(self):
         # create container with remove metadata
         container_name = data_utils.rand_name(name='TestContainer')
@@ -115,7 +116,7 @@
             container_name)
         self.assertNotIn('x-container-meta-test-container-meta', resp)
 
-    @test.idempotent_id('95d3a249-b702-4082-a2c4-14bb860cf06a')
+    @decorators.idempotent_id('95d3a249-b702-4082-a2c4-14bb860cf06a')
     def test_delete_container(self):
         # create a container
         container_name = self.create_container()
@@ -124,7 +125,7 @@
         self.assertHeaders(resp, 'Container', 'DELETE')
 
     @test.attr(type='smoke')
-    @test.idempotent_id('312ff6bd-5290-497f-bda1-7c5fec6697ab')
+    @decorators.idempotent_id('312ff6bd-5290-497f-bda1-7c5fec6697ab')
     def test_list_container_contents(self):
         # get container contents list
         container_name = self.create_container()
@@ -135,7 +136,7 @@
         self.assertHeaders(resp, 'Container', 'GET')
         self.assertEqual([object_name], object_list)
 
-    @test.idempotent_id('4646ac2d-9bfb-4c7d-a3c5-0f527402b3df')
+    @decorators.idempotent_id('4646ac2d-9bfb-4c7d-a3c5-0f527402b3df')
     def test_list_container_contents_with_no_object(self):
         # get empty container contents list
         container_name = self.create_container()
@@ -145,7 +146,7 @@
         self.assertHeaders(resp, 'Container', 'GET')
         self.assertEmpty(object_list)
 
-    @test.idempotent_id('fe323a32-57b9-4704-a996-2e68f83b09bc')
+    @decorators.idempotent_id('fe323a32-57b9-4704-a996-2e68f83b09bc')
     def test_list_container_contents_with_delimiter(self):
         # get container contents list using delimiter param
         container_name = self.create_container()
@@ -159,20 +160,20 @@
         self.assertHeaders(resp, 'Container', 'GET')
         self.assertEqual([object_name.split('/')[0] + '/'], object_list)
 
-    @test.idempotent_id('55b4fa5c-e12e-4ca9-8fcf-a79afe118522')
+    @decorators.idempotent_id('55b4fa5c-e12e-4ca9-8fcf-a79afe118522')
     def test_list_container_contents_with_end_marker(self):
         # get container contents list using end_marker param
         container_name = self.create_container()
         object_name, _ = self.create_object(container_name)
 
-        params = {'end_marker': 'ZzzzObject1234567890'}
+        params = {'end_marker': object_name + 'zzzz'}
         resp, object_list = self.container_client.list_container_contents(
             container_name,
             params=params)
         self.assertHeaders(resp, 'Container', 'GET')
         self.assertEqual([object_name], object_list)
 
-    @test.idempotent_id('196f5034-6ab0-4032-9da9-a937bbb9fba9')
+    @decorators.idempotent_id('196f5034-6ab0-4032-9da9-a937bbb9fba9')
     def test_list_container_contents_with_format_json(self):
         # get container contents list using format_json param
         container_name = self.create_container()
@@ -191,7 +192,7 @@
         self.assertTrue([c['content_type'] for c in object_list])
         self.assertTrue([c['last_modified'] for c in object_list])
 
-    @test.idempotent_id('655a53ca-4d15-408c-a377-f4c6dbd0a1fa')
+    @decorators.idempotent_id('655a53ca-4d15-408c-a377-f4c6dbd0a1fa')
     def test_list_container_contents_with_format_xml(self):
         # get container contents list using format_xml param
         container_name = self.create_container()
@@ -215,7 +216,7 @@
         self.assertEqual(object_list.find(".//last_modified").tag,
                          'last_modified')
 
-    @test.idempotent_id('297ec38b-2b61-4ff4-bcd1-7fa055e97b61')
+    @decorators.idempotent_id('297ec38b-2b61-4ff4-bcd1-7fa055e97b61')
     def test_list_container_contents_with_limit(self):
         # get container contents list using limit param
         container_name = self.create_container()
@@ -228,7 +229,7 @@
         self.assertHeaders(resp, 'Container', 'GET')
         self.assertEqual([object_name], object_list)
 
-    @test.idempotent_id('c31ddc63-2a58-4f6b-b25c-94d2937e6867')
+    @decorators.idempotent_id('c31ddc63-2a58-4f6b-b25c-94d2937e6867')
     def test_list_container_contents_with_marker(self):
         # get container contents list using marker param
         container_name = self.create_container()
@@ -241,11 +242,12 @@
         self.assertHeaders(resp, 'Container', 'GET')
         self.assertEqual([object_name], object_list)
 
-    @test.idempotent_id('58ca6cc9-6af0-408d-aaec-2a6a7b2f0df9')
+    @decorators.idempotent_id('58ca6cc9-6af0-408d-aaec-2a6a7b2f0df9')
     def test_list_container_contents_with_path(self):
         # get container contents list using path param
         container_name = self.create_container()
-        object_name = data_utils.rand_name(name='Swift/TestObject')
+        object_name = data_utils.rand_name(name='TestObject')
+        object_name = 'Swift/' + object_name
         self.create_object(container_name, object_name)
 
         params = {'path': 'Swift'}
@@ -255,7 +257,7 @@
         self.assertHeaders(resp, 'Container', 'GET')
         self.assertEqual([object_name], object_list)
 
-    @test.idempotent_id('77e742c7-caf2-4ec9-8aa4-f7d509a3344c')
+    @decorators.idempotent_id('77e742c7-caf2-4ec9-8aa4-f7d509a3344c')
     def test_list_container_contents_with_prefix(self):
         # get container contents list using prefix param
         container_name = self.create_container()
@@ -270,7 +272,7 @@
         self.assertEqual([object_name], object_list)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('96e68f0e-19ec-4aa2-86f3-adc6a45e14dd')
+    @decorators.idempotent_id('96e68f0e-19ec-4aa2-86f3-adc6a45e14dd')
     def test_list_container_metadata(self):
         # List container metadata
         container_name = self.create_container()
@@ -286,7 +288,7 @@
         self.assertIn('x-container-meta-name', resp)
         self.assertEqual(resp['x-container-meta-name'], metadata['name'])
 
-    @test.idempotent_id('a2faf936-6b13-4f8d-92a2-c2278355821e')
+    @decorators.idempotent_id('a2faf936-6b13-4f8d-92a2-c2278355821e')
     def test_list_no_container_metadata(self):
         # HEAD container without metadata
         container_name = self.create_container()
@@ -296,7 +298,7 @@
         self.assertHeaders(resp, 'Container', 'HEAD')
         self.assertNotIn('x-container-meta-', str(resp))
 
-    @test.idempotent_id('cf19bc0b-7e16-4a5a-aaed-cb0c2fe8deef')
+    @decorators.idempotent_id('cf19bc0b-7e16-4a5a-aaed-cb0c2fe8deef')
     def test_update_container_metadata_with_create_and_delete_metadata(self):
         # Send one request of adding and deleting metadata
         container_name = data_utils.rand_name(name='TestContainer')
@@ -319,7 +321,7 @@
         self.assertEqual(resp['x-container-meta-test-container-meta2'],
                          metadata_2['test-container-meta2'])
 
-    @test.idempotent_id('2ae5f295-4bf1-4e04-bfad-21e54b62cec5')
+    @decorators.idempotent_id('2ae5f295-4bf1-4e04-bfad-21e54b62cec5')
     def test_update_container_metadata_with_create_metadata(self):
         # update container metadata using add metadata
         container_name = self.create_container()
@@ -336,7 +338,7 @@
         self.assertEqual(resp['x-container-meta-test-container-meta1'],
                          metadata['test-container-meta1'])
 
-    @test.idempotent_id('3a5ce7d4-6e4b-47d0-9d87-7cd42c325094')
+    @decorators.idempotent_id('3a5ce7d4-6e4b-47d0-9d87-7cd42c325094')
     def test_update_container_metadata_with_delete_metadata(self):
         # update container metadata using delete metadata
         container_name = data_utils.rand_name(name='TestContainer')
@@ -354,7 +356,7 @@
             container_name)
         self.assertNotIn('x-container-meta-test-container-meta1', resp)
 
-    @test.idempotent_id('31f40a5f-6a52-4314-8794-cd89baed3040')
+    @decorators.idempotent_id('31f40a5f-6a52-4314-8794-cd89baed3040')
     def test_update_container_metadata_with_create_metadata_key(self):
         # update container metadata with a blank value of metadata
         container_name = self.create_container()
@@ -369,7 +371,7 @@
             container_name)
         self.assertNotIn('x-container-meta-test-container-meta1', resp)
 
-    @test.idempotent_id('a2e36378-6f1f-43f4-840a-ffd9cfd61914')
+    @decorators.idempotent_id('a2e36378-6f1f-43f4-840a-ffd9cfd61914')
     def test_update_container_metadata_with_delete_metadata_key(self):
         # update container metadata with a blank value of metadata
         container_name = data_utils.rand_name(name='TestContainer')
diff --git a/tempest/api/object_storage/test_container_services_negative.py b/tempest/api/object_storage/test_container_services_negative.py
index 2856fab..ebbb84e 100644
--- a/tempest/api/object_storage/test_container_services_negative.py
+++ b/tempest/api/object_storage/test_container_services_negative.py
@@ -16,8 +16,9 @@
 import testtools
 
 from tempest.api.object_storage import base
+from tempest.common.utils import data_utils
 from tempest import config
-from tempest.lib.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -36,7 +37,7 @@
             cls.constraints = body['swift']
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('30686921-4bed-4764-a038-40d741ed4e78')
+    @decorators.idempotent_id('30686921-4bed-4764-a038-40d741ed4e78')
     @testtools.skipUnless(
         CONF.object_storage_feature_enabled.discoverability,
         'Discoverability function is disabled')
@@ -52,7 +53,7 @@
                       ' longer than ' + str(max_length), str(ex))
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('41e645bf-2e68-4f84-bf7b-c71aa5cd76ce')
+    @decorators.idempotent_id('41e645bf-2e68-4f84-bf7b-c71aa5cd76ce')
     @testtools.skipUnless(
         CONF.object_storage_feature_enabled.discoverability,
         'Discoverability function is disabled')
@@ -69,7 +70,7 @@
         self.assertIn('Metadata name too long', str(ex))
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('81e36922-326b-4b7c-8155-3bbceecd7a82')
+    @decorators.idempotent_id('81e36922-326b-4b7c-8155-3bbceecd7a82')
     @testtools.skipUnless(
         CONF.object_storage_feature_enabled.discoverability,
         'Discoverability function is disabled')
@@ -86,7 +87,7 @@
         self.assertIn('Metadata value longer than ' + str(max_length), str(ex))
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('ac666539-d566-4f02-8ceb-58e968dfb732')
+    @decorators.idempotent_id('ac666539-d566-4f02-8ceb-58e968dfb732')
     @testtools.skipUnless(
         CONF.object_storage_feature_enabled.discoverability,
         'Discoverability function is disabled')
@@ -106,7 +107,7 @@
                       str(ex))
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('1a95ab2e-b712-4a98-8a4d-8ce21b7557d6')
+    @decorators.idempotent_id('1a95ab2e-b712-4a98-8a4d-8ce21b7557d6')
     def test_get_metadata_headers_with_invalid_container_name(self):
         # Attempts to retrieve metadata headers with an invalid
         # container name.
@@ -115,7 +116,7 @@
                           'invalid_container_name')
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('125a24fa-90a7-4cfc-b604-44e49d788390')
+    @decorators.idempotent_id('125a24fa-90a7-4cfc-b604-44e49d788390')
     def test_update_metadata_with_nonexistent_container_name(self):
         # Attempts to update metadata using a nonexistent container name.
         metadata = {'animal': 'penguin'}
@@ -125,7 +126,7 @@
                           'nonexistent_container_name', metadata)
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('65387dbf-a0e2-4aac-9ddc-16eb3f1f69ba')
+    @decorators.idempotent_id('65387dbf-a0e2-4aac-9ddc-16eb3f1f69ba')
     def test_delete_with_nonexistent_container_name(self):
         # Attempts to delete metadata using a nonexistent container name.
         metadata = {'animal': 'penguin'}
@@ -135,7 +136,7 @@
                           'nonexistent_container_name', metadata)
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('14331d21-1e81-420a-beea-19cb5e5207f5')
+    @decorators.idempotent_id('14331d21-1e81-420a-beea-19cb5e5207f5')
     def test_list_all_container_objects_with_nonexistent_container(self):
         # Attempts to get a listing of all objects on a container
         # that doesn't exist.
@@ -145,7 +146,7 @@
                           'nonexistent_container_name', params)
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('86b2ab08-92d5-493d-acd2-85f0c848819e')
+    @decorators.idempotent_id('86b2ab08-92d5-493d-acd2-85f0c848819e')
     def test_list_all_container_objects_on_deleted_container(self):
         # Attempts to get a listing of all objects on a container
         # that was deleted.
@@ -159,7 +160,7 @@
                           container_name, params)
 
     @test.attr(type=["negative"])
-    @test.idempotent_id('42da116e-1e8c-4c96-9e06-2f13884ed2b1')
+    @decorators.idempotent_id('42da116e-1e8c-4c96-9e06-2f13884ed2b1')
     def test_delete_non_empty_container(self):
         # create a container and an object within it
         # attempt to delete a container that isn't empty.
diff --git a/tempest/api/object_storage/test_container_staticweb.py b/tempest/api/object_storage/test_container_staticweb.py
index edc9271..a280248 100644
--- a/tempest/api/object_storage/test_container_staticweb.py
+++ b/tempest/api/object_storage/test_container_staticweb.py
@@ -15,6 +15,7 @@
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -43,7 +44,7 @@
         cls.delete_containers()
         super(StaticWebTest, cls).resource_cleanup()
 
-    @test.idempotent_id('c1f055ab-621d-4a6a-831f-846fcb578b8b')
+    @decorators.idempotent_id('c1f055ab-621d-4a6a-831f-846fcb578b8b')
     @test.requires_ext(extension='staticweb', service='object')
     def test_web_index(self):
         headers = {'web-index': self.object_name}
@@ -74,7 +75,7 @@
             self.container_name)
         self.assertNotIn('x-container-meta-web-index', body)
 
-    @test.idempotent_id('941814cf-db9e-4b21-8112-2b6d0af10ee5')
+    @decorators.idempotent_id('941814cf-db9e-4b21-8112-2b6d0af10ee5')
     @test.requires_ext(extension='staticweb', service='object')
     def test_web_listing(self):
         headers = {'web-listings': 'true'}
@@ -106,7 +107,7 @@
             self.container_name)
         self.assertNotIn('x-container-meta-web-listings', body)
 
-    @test.idempotent_id('bc37ec94-43c8-4990-842e-0e5e02fc8926')
+    @decorators.idempotent_id('bc37ec94-43c8-4990-842e-0e5e02fc8926')
     @test.requires_ext(extension='staticweb', service='object')
     def test_web_listing_css(self):
         headers = {'web-listings': 'true',
@@ -130,7 +131,7 @@
         css = '<link rel="stylesheet" type="text/css" href="listings.css" />'
         self.assertIn(css, body.decode())
 
-    @test.idempotent_id('f18b4bef-212e-45e7-b3ca-59af3a465f82')
+    @decorators.idempotent_id('f18b4bef-212e-45e7-b3ca-59af3a465f82')
     @test.requires_ext(extension='staticweb', service='object')
     def test_web_error(self):
         headers = {'web-listings': 'true',
diff --git a/tempest/api/object_storage/test_container_sync.py b/tempest/api/object_storage/test_container_sync.py
index f134335..63fb93d 100644
--- a/tempest/api/object_storage/test_container_sync.py
+++ b/tempest/api/object_storage/test_container_sync.py
@@ -131,7 +131,7 @@
 
     @test.attr(type='slow')
     @decorators.skip_because(bug='1317133')
-    @test.idempotent_id('be008325-1bba-4925-b7dd-93b58f22ce9b')
+    @decorators.idempotent_id('be008325-1bba-4925-b7dd-93b58f22ce9b')
     @testtools.skipIf(
         not CONF.object_storage_feature_enabled.container_sync,
         'Old-style container sync function is disabled')
diff --git a/tempest/api/object_storage/test_container_sync_middleware.py b/tempest/api/object_storage/test_container_sync_middleware.py
index 4491a84..df738b3 100644
--- a/tempest/api/object_storage/test_container_sync_middleware.py
+++ b/tempest/api/object_storage/test_container_sync_middleware.py
@@ -14,6 +14,7 @@
 
 from tempest.api.object_storage import test_container_sync
 from tempest import config
+from tempest.lib import decorators
 from tempest import test
 
 CONF = config.CONF
@@ -37,7 +38,7 @@
         cls.cluster_name = CONF.object_storage.cluster_name
 
     @test.attr(type='slow')
-    @test.idempotent_id('ea4645a1-d147-4976-82f7-e5a7a3065f80')
+    @decorators.idempotent_id('ea4645a1-d147-4976-82f7-e5a7a3065f80')
     @test.requires_ext(extension='container_sync', service='object')
     def test_container_synchronization(self):
         def make_headers(cont, cont_client):
diff --git a/tempest/api/object_storage/test_crossdomain.py b/tempest/api/object_storage/test_crossdomain.py
index 18dc254..c47aa93 100644
--- a/tempest/api/object_storage/test_crossdomain.py
+++ b/tempest/api/object_storage/test_crossdomain.py
@@ -14,6 +14,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -36,7 +37,7 @@
         # Turning http://.../v1/foobar into http://.../
         self.account_client.skip_path()
 
-    @test.idempotent_id('d1b8b031-b622-4010-82f9-ff78a9e915c7')
+    @decorators.idempotent_id('d1b8b031-b622-4010-82f9-ff78a9e915c7')
     @test.requires_ext(extension='crossdomain', service='object')
     def test_get_crossdomain_policy(self):
         resp, body = self.account_client.get("crossdomain.xml", {})
diff --git a/tempest/api/object_storage/test_healthcheck.py b/tempest/api/object_storage/test_healthcheck.py
index 104253a..a186f9e 100644
--- a/tempest/api/object_storage/test_healthcheck.py
+++ b/tempest/api/object_storage/test_healthcheck.py
@@ -15,7 +15,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common import custom_matchers
-from tempest import test
+from tempest.lib import decorators
 
 
 class HealthcheckTest(base.BaseObjectTest):
@@ -25,7 +25,7 @@
         # Turning http://.../v1/foobar into http://.../
         self.account_client.skip_path()
 
-    @test.idempotent_id('db5723b1-f25c-49a9-bfeb-7b5640caf337')
+    @decorators.idempotent_id('db5723b1-f25c-49a9-bfeb-7b5640caf337')
     def test_get_healthcheck(self):
 
         resp, _ = self.account_client.get("healthcheck", {})
diff --git a/tempest/api/object_storage/test_object_expiry.py b/tempest/api/object_storage/test_object_expiry.py
index 11acb31..7768d23 100644
--- a/tempest/api/object_storage/test_object_expiry.py
+++ b/tempest/api/object_storage/test_object_expiry.py
@@ -16,8 +16,8 @@
 import time
 
 from tempest.api.object_storage import base
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
-from tempest import test
 
 
 class ObjectExpiryTest(base.BaseObjectTest):
@@ -81,14 +81,14 @@
                           self.container_name,
                           self.object_name)
 
-    @test.idempotent_id('fb024a42-37f3-4ba5-9684-4f40a7910b41')
+    @decorators.idempotent_id('fb024a42-37f3-4ba5-9684-4f40a7910b41')
     def test_get_object_after_expiry_time(self):
         # the 10s is important, because the get calls can take 3s each
         # some times
         metadata = {'X-Delete-After': '10'}
         self._test_object_expiry(metadata)
 
-    @test.idempotent_id('e592f18d-679c-48fe-9e36-4be5f47102c5')
+    @decorators.idempotent_id('e592f18d-679c-48fe-9e36-4be5f47102c5')
     def test_get_object_at_expiry_time(self):
         metadata = {'X-Delete-At': str(int(time.time()) + 10)}
         self._test_object_expiry(metadata)
diff --git a/tempest/api/object_storage/test_object_formpost.py b/tempest/api/object_storage/test_object_formpost.py
index 0a87a64..2829ac7 100644
--- a/tempest/api/object_storage/test_object_formpost.py
+++ b/tempest/api/object_storage/test_object_formpost.py
@@ -20,6 +20,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -104,7 +105,7 @@
         content_type = 'multipart/form-data; boundary=%s' % boundary
         return body, content_type
 
-    @test.idempotent_id('80fac02b-6e54-4f7b-be0d-a965b5cbef76')
+    @decorators.idempotent_id('80fac02b-6e54-4f7b-be0d-a965b5cbef76')
     @test.requires_ext(extension='formpost', service='object')
     def test_post_object_using_form(self):
         body, content_type = self.get_multipart_form()
diff --git a/tempest/api/object_storage/test_object_formpost_negative.py b/tempest/api/object_storage/test_object_formpost_negative.py
index f193111..2174940 100644
--- a/tempest/api/object_storage/test_object_formpost_negative.py
+++ b/tempest/api/object_storage/test_object_formpost_negative.py
@@ -20,6 +20,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -105,7 +106,7 @@
         content_type = 'multipart/form-data; boundary=%s' % boundary
         return body, content_type
 
-    @test.idempotent_id('d3fb3c4d-e627-48ce-9379-a1631f21336d')
+    @decorators.idempotent_id('d3fb3c4d-e627-48ce-9379-a1631f21336d')
     @test.requires_ext(extension='formpost', service='object')
     @test.attr(type=['negative'])
     def test_post_object_using_form_expired(self):
@@ -122,7 +123,7 @@
             url, body, headers=headers)
         self.assertIn('FormPost: Form Expired', str(exc))
 
-    @test.idempotent_id('b277257f-113c-4499-b8d1-5fead79f7360')
+    @decorators.idempotent_id('b277257f-113c-4499-b8d1-5fead79f7360')
     @test.requires_ext(extension='formpost', service='object')
     def test_post_object_using_form_invalid_signature(self):
         self.key = "Wrong"
diff --git a/tempest/api/object_storage/test_object_services.py b/tempest/api/object_storage/test_object_services.py
index 7716bdb..58fd822 100644
--- a/tempest/api/object_storage/test_object_services.py
+++ b/tempest/api/object_storage/test_object_services.py
@@ -23,6 +23,7 @@
 from tempest.common import custom_matchers
 from tempest.common.utils import data_utils
 from tempest import config
+from tempest.lib import decorators
 from tempest import test
 
 CONF = config.CONF
@@ -75,7 +76,7 @@
                 self.assertNotIn('x-object-meta-' + meta_key, resp)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('5b4ce26f-3545-46c9-a2ba-5754358a4c62')
+    @decorators.idempotent_id('5b4ce26f-3545-46c9-a2ba-5754358a4c62')
     def test_create_object(self):
         # create object
         object_name = data_utils.rand_name(name='TestObject')
@@ -94,7 +95,7 @@
                                                 object_name)
         self.assertEqual(data, body)
 
-    @test.idempotent_id('5daebb1d-f0d5-4dc9-b541-69672eff00b0')
+    @decorators.idempotent_id('5daebb1d-f0d5-4dc9-b541-69672eff00b0')
     def test_create_object_with_content_disposition(self):
         # create object with content_disposition
         object_name = data_utils.rand_name(name='TestObject')
@@ -116,7 +117,7 @@
         self.assertEqual(resp['content-disposition'], 'inline')
         self.assertEqual(body, data)
 
-    @test.idempotent_id('605f8317-f945-4bee-ae91-013f1da8f0a0')
+    @decorators.idempotent_id('605f8317-f945-4bee-ae91-013f1da8f0a0')
     def test_create_object_with_content_encoding(self):
         # create object with content_encoding
         object_name = data_utils.rand_name(name='TestObject')
@@ -143,7 +144,7 @@
             metadata=metadata)
         self.assertEqual(body, data_before)
 
-    @test.idempotent_id('73820093-0503-40b1-a478-edf0e69c7d1f')
+    @decorators.idempotent_id('73820093-0503-40b1-a478-edf0e69c7d1f')
     def test_create_object_with_etag(self):
         # create object with etag
         object_name = data_utils.rand_name(name='TestObject')
@@ -162,7 +163,7 @@
                                                 object_name)
         self.assertEqual(data, body)
 
-    @test.idempotent_id('84dafe57-9666-4f6d-84c8-0814d37923b8')
+    @decorators.idempotent_id('84dafe57-9666-4f6d-84c8-0814d37923b8')
     def test_create_object_with_expect_continue(self):
         # create object with expect_continue
 
@@ -179,7 +180,7 @@
                                                 object_name)
         self.assertEqual(data, body)
 
-    @test.idempotent_id('4f84422a-e2f2-4403-b601-726a4220b54e')
+    @decorators.idempotent_id('4f84422a-e2f2-4403-b601-726a4220b54e')
     def test_create_object_with_transfer_encoding(self):
         # create object with transfer_encoding
         object_name = data_utils.rand_name(name='TestObject')
@@ -196,7 +197,7 @@
                                                 object_name)
         self.assertEqual(data, body)
 
-    @test.idempotent_id('0f3d62a6-47e3-4554-b0e5-1a5dc372d501')
+    @decorators.idempotent_id('0f3d62a6-47e3-4554-b0e5-1a5dc372d501')
     def test_create_object_with_x_fresh_metadata(self):
         # create object with x_fresh_metadata
         object_name_base = data_utils.rand_name(name='TestObject')
@@ -222,7 +223,7 @@
         self.assertNotIn('x-object-meta-test-meta', resp)
         self.assertEqual(data, body)
 
-    @test.idempotent_id('1c7ed3e4-2099-406b-b843-5301d4811baf')
+    @decorators.idempotent_id('1c7ed3e4-2099-406b-b843-5301d4811baf')
     def test_create_object_with_x_object_meta(self):
         # create object with object_meta
         object_name = data_utils.rand_name(name='TestObject')
@@ -241,7 +242,7 @@
         self.assertEqual(resp['x-object-meta-test-meta'], 'Meta')
         self.assertEqual(data, body)
 
-    @test.idempotent_id('e4183917-33db-4153-85cc-4dacbb938865')
+    @decorators.idempotent_id('e4183917-33db-4153-85cc-4dacbb938865')
     def test_create_object_with_x_object_metakey(self):
         # create object with the blank value of metadata
         object_name = data_utils.rand_name(name='TestObject')
@@ -260,7 +261,7 @@
         self.assertEqual(resp['x-object-meta-test-meta'], '')
         self.assertEqual(data, body)
 
-    @test.idempotent_id('ce798afc-b278-45de-a5ce-2ea124b98b99')
+    @decorators.idempotent_id('ce798afc-b278-45de-a5ce-2ea124b98b99')
     def test_create_object_with_x_remove_object_meta(self):
         # create object with x_remove_object_meta
         object_name = data_utils.rand_name(name='TestObject')
@@ -283,7 +284,7 @@
         self.assertNotIn('x-object-meta-test-meta', resp)
         self.assertEqual(data, body)
 
-    @test.idempotent_id('ad21e342-7916-4f9e-ab62-a1f885f2aaf9')
+    @decorators.idempotent_id('ad21e342-7916-4f9e-ab62-a1f885f2aaf9')
     def test_create_object_with_x_remove_object_metakey(self):
         # create object with the blank value of remove metadata
         object_name = data_utils.rand_name(name='TestObject')
@@ -306,7 +307,7 @@
         self.assertNotIn('x-object-meta-test-meta', resp)
         self.assertEqual(data, body)
 
-    @test.idempotent_id('17738d45-03bd-4d45-9e0b-7b2f58f98687')
+    @decorators.idempotent_id('17738d45-03bd-4d45-9e0b-7b2f58f98687')
     def test_delete_object(self):
         # create object
         object_name = data_utils.rand_name(name='TestObject')
@@ -319,7 +320,7 @@
         self.assertHeaders(resp, 'Object', 'DELETE')
 
     @test.attr(type='smoke')
-    @test.idempotent_id('7a94c25d-66e6-434c-9c38-97d4e2c29945')
+    @decorators.idempotent_id('7a94c25d-66e6-434c-9c38-97d4e2c29945')
     def test_update_object_metadata(self):
         # update object metadata
         object_name, _ = self.create_object(self.container_name)
@@ -338,7 +339,7 @@
         self.assertIn('x-object-meta-test-meta', resp)
         self.assertEqual(resp['x-object-meta-test-meta'], 'Meta')
 
-    @test.idempotent_id('48650ed0-c189-4e1e-ad6b-1d4770c6e134')
+    @decorators.idempotent_id('48650ed0-c189-4e1e-ad6b-1d4770c6e134')
     def test_update_object_metadata_with_remove_metadata(self):
         # update object metadata with remove metadata
         object_name = data_utils.rand_name(name='TestObject')
@@ -362,7 +363,7 @@
             object_name)
         self.assertNotIn('x-object-meta-test-meta1', resp)
 
-    @test.idempotent_id('f726174b-2ded-4708-bff7-729d12ce1f84')
+    @decorators.idempotent_id('f726174b-2ded-4708-bff7-729d12ce1f84')
     def test_update_object_metadata_with_create_and_remove_metadata(self):
         # creation and deletion of metadata with one request
         object_name = data_utils.rand_name(name='TestObject')
@@ -389,7 +390,7 @@
         self.assertIn('x-object-meta-test-meta2', resp)
         self.assertEqual(resp['x-object-meta-test-meta2'], 'Meta2')
 
-    @test.idempotent_id('08854588-6449-4bb7-8cca-f2e1040f5e6f')
+    @decorators.idempotent_id('08854588-6449-4bb7-8cca-f2e1040f5e6f')
     def test_update_object_metadata_with_x_object_manifest(self):
         # update object metadata with x_object_manifest
 
@@ -416,7 +417,7 @@
         self.assertIn('x-object-manifest', resp)
         self.assertNotEqual(len(resp['x-object-manifest']), 0)
 
-    @test.idempotent_id('0dbbe89c-6811-4d84-a2df-eca2bdd40c0e')
+    @decorators.idempotent_id('0dbbe89c-6811-4d84-a2df-eca2bdd40c0e')
     def test_update_object_metadata_with_x_object_metakey(self):
         # update object metadata with a blank value of metadata
         object_name, _ = self.create_object(self.container_name)
@@ -435,7 +436,7 @@
         self.assertIn('x-object-meta-test-meta', resp)
         self.assertEqual(resp['x-object-meta-test-meta'], '')
 
-    @test.idempotent_id('9a88dca4-b684-425b-806f-306cd0e57e42')
+    @decorators.idempotent_id('9a88dca4-b684-425b-806f-306cd0e57e42')
     def test_update_object_metadata_with_x_remove_object_metakey(self):
         # update object metadata with a blank value of remove metadata
         object_name = data_utils.rand_name(name='TestObject')
@@ -460,7 +461,7 @@
         self.assertNotIn('x-object-meta-test-meta', resp)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('9a447cf6-de06-48de-8226-a8c6ed31caf2')
+    @decorators.idempotent_id('9a447cf6-de06-48de-8226-a8c6ed31caf2')
     def test_list_object_metadata(self):
         # get object metadata
         object_name = data_utils.rand_name(name='TestObject')
@@ -478,7 +479,7 @@
         self.assertIn('x-object-meta-test-meta', resp)
         self.assertEqual(resp['x-object-meta-test-meta'], 'Meta')
 
-    @test.idempotent_id('170fb90e-f5c3-4b1f-ae1b-a18810821172')
+    @decorators.idempotent_id('170fb90e-f5c3-4b1f-ae1b-a18810821172')
     def test_list_no_object_metadata(self):
         # get empty list of object metadata
         object_name, _ = self.create_object(self.container_name)
@@ -489,7 +490,7 @@
         self.assertHeaders(resp, 'Object', 'HEAD')
         self.assertNotIn('x-object-meta-', str(resp))
 
-    @test.idempotent_id('23a3674c-d6de-46c3-86af-ff92bfc8a3da')
+    @decorators.idempotent_id('23a3674c-d6de-46c3-86af-ff92bfc8a3da')
     def test_list_object_metadata_with_x_object_manifest(self):
         # get object metadata with x_object_manifest
 
@@ -530,7 +531,7 @@
                          '%s/%s' % (self.container_name, object_name))
 
     @test.attr(type='smoke')
-    @test.idempotent_id('02610ba7-86b7-4272-9ed8-aa8d417cb3cd')
+    @decorators.idempotent_id('02610ba7-86b7-4272-9ed8-aa8d417cb3cd')
     def test_get_object(self):
         # retrieve object's data (in response body)
 
@@ -543,7 +544,7 @@
 
         self.assertEqual(body, data)
 
-    @test.idempotent_id('005f9bf6-e06d-41ec-968e-96c78e0b1d82')
+    @decorators.idempotent_id('005f9bf6-e06d-41ec-968e-96c78e0b1d82')
     def test_get_object_with_metadata(self):
         # get object with metadata
         object_name = data_utils.rand_name(name='TestObject')
@@ -562,7 +563,7 @@
         self.assertEqual(resp['x-object-meta-test-meta'], 'Meta')
         self.assertEqual(body, data)
 
-    @test.idempotent_id('05a1890e-7db9-4a6c-90a8-ce998a2bddfa')
+    @decorators.idempotent_id('05a1890e-7db9-4a6c-90a8-ce998a2bddfa')
     def test_get_object_with_range(self):
         # get object with range
         object_name = data_utils.rand_name(name='TestObject')
@@ -580,7 +581,7 @@
         self.assertHeaders(resp, 'Object', 'GET')
         self.assertEqual(body, data[rand_num - 3: rand_num])
 
-    @test.idempotent_id('11b4515b-7ba7-4ca8-8838-357ded86fc10')
+    @decorators.idempotent_id('11b4515b-7ba7-4ca8-8838-357ded86fc10')
     def test_get_object_with_x_object_manifest(self):
         # get object with x_object_manifest
 
@@ -623,7 +624,7 @@
 
         self.assertEqual(''.join(data_segments), body.decode())
 
-    @test.idempotent_id('c05b4013-e4de-47af-be84-e598062b16fc')
+    @decorators.idempotent_id('c05b4013-e4de-47af-be84-e598062b16fc')
     def test_get_object_with_if_match(self):
         # get object with if_match
         object_name = data_utils.rand_name(name='TestObject')
@@ -643,7 +644,7 @@
         self.assertHeaders(resp, 'Object', 'GET')
         self.assertEqual(body, data)
 
-    @test.idempotent_id('be133639-e5d2-4313-9b1f-2d59fc054a16')
+    @decorators.idempotent_id('be133639-e5d2-4313-9b1f-2d59fc054a16')
     def test_get_object_with_if_modified_since(self):
         # get object with if_modified_since
         object_name = data_utils.rand_name(name='TestObject')
@@ -663,7 +664,7 @@
         self.assertHeaders(resp, 'Object', 'GET')
         self.assertEqual(body, data)
 
-    @test.idempotent_id('641500d5-1612-4042-a04d-01fc4528bc30')
+    @decorators.idempotent_id('641500d5-1612-4042-a04d-01fc4528bc30')
     def test_get_object_with_if_none_match(self):
         # get object with if_none_match
         object_name = data_utils.rand_name(name='TestObject')
@@ -685,7 +686,7 @@
         self.assertHeaders(resp, 'Object', 'GET')
         self.assertEqual(body, data)
 
-    @test.idempotent_id('0aa1201c-10aa-467a-bee7-63cbdd463152')
+    @decorators.idempotent_id('0aa1201c-10aa-467a-bee7-63cbdd463152')
     def test_get_object_with_if_unmodified_since(self):
         # get object with if_unmodified_since
         object_name, data = self.create_object(self.container_name)
@@ -700,7 +701,7 @@
         self.assertHeaders(resp, 'Object', 'GET')
         self.assertEqual(body, data)
 
-    @test.idempotent_id('94587078-475f-48f9-a40f-389c246e31cd')
+    @decorators.idempotent_id('94587078-475f-48f9-a40f-389c246e31cd')
     def test_get_object_with_x_newest(self):
         # get object with x_newest
         object_name, data = self.create_object(self.container_name)
@@ -713,7 +714,7 @@
         self.assertHeaders(resp, 'Object', 'GET')
         self.assertEqual(body, data)
 
-    @test.idempotent_id('1a9ab572-1b66-4981-8c21-416e2a5e6011')
+    @decorators.idempotent_id('1a9ab572-1b66-4981-8c21-416e2a5e6011')
     def test_copy_object_in_same_container(self):
         # create source object
         src_object_name = data_utils.rand_name(name='SrcObject')
@@ -737,7 +738,7 @@
                                                    dst_object_name)
         self.assertEqual(body, src_data)
 
-    @test.idempotent_id('2248abba-415d-410b-9c30-22dff9cd6e67')
+    @decorators.idempotent_id('2248abba-415d-410b-9c30-22dff9cd6e67')
     def test_copy_object_to_itself(self):
         # change the content type of an existing object
 
@@ -758,7 +759,7 @@
                                                           object_name)
         self.assertEqual(resp['content-type'], metadata['content-type'])
 
-    @test.idempotent_id('06f90388-2d0e-40aa-934c-e9a8833e958a')
+    @decorators.idempotent_id('06f90388-2d0e-40aa-934c-e9a8833e958a')
     def test_copy_object_2d_way(self):
         # create source object
         src_object_name = data_utils.rand_name(name='SrcObject')
@@ -782,7 +783,7 @@
         # check data
         self._check_copied_obj(dst_object_name, src_data)
 
-    @test.idempotent_id('aa467252-44f3-472a-b5ae-5b57c3c9c147')
+    @decorators.idempotent_id('aa467252-44f3-472a-b5ae-5b57c3c9c147')
     def test_copy_object_across_containers(self):
         # create a container to use as a source container
         src_container_name = data_utils.rand_name(name='TestSourceContainer')
@@ -821,7 +822,7 @@
         self.assertIn(actual_meta_key, resp)
         self.assertEqual(resp[actual_meta_key], meta_value)
 
-    @test.idempotent_id('5a9e2cc6-85b6-46fc-916d-0cbb7a88e5fd')
+    @decorators.idempotent_id('5a9e2cc6-85b6-46fc-916d-0cbb7a88e5fd')
     def test_copy_object_with_x_fresh_metadata(self):
         # create source object
         metadata = {'x-object-meta-src': 'src_value'}
@@ -842,7 +843,7 @@
         # check that destination object does NOT have any object-meta
         self._check_copied_obj(dst_object_name, data, not_in_meta=["src"])
 
-    @test.idempotent_id('a28a8b99-e701-4d7e-9d84-3b66f121460b')
+    @decorators.idempotent_id('a28a8b99-e701-4d7e-9d84-3b66f121460b')
     def test_copy_object_with_x_object_metakey(self):
         # create source object
         metadata = {'x-object-meta-src': 'src_value'}
@@ -865,7 +866,7 @@
         # check destination object
         self._check_copied_obj(dst_obj_name, data, in_meta=["test", "src"])
 
-    @test.idempotent_id('edabedca-24c3-4322-9b70-d6d9f942a074')
+    @decorators.idempotent_id('edabedca-24c3-4322-9b70-d6d9f942a074')
     def test_copy_object_with_x_object_meta(self):
         # create source object
         metadata = {'x-object-meta-src': 'src_value'}
@@ -888,7 +889,7 @@
         # check destination object
         self._check_copied_obj(dst_obj_name, data, in_meta=["test", "src"])
 
-    @test.idempotent_id('e3e6a64a-9f50-4955-b987-6ce6767c97fb')
+    @decorators.idempotent_id('e3e6a64a-9f50-4955-b987-6ce6767c97fb')
     def test_object_upload_in_segments(self):
         # create object
         object_name = data_utils.rand_name(name='LObject')
@@ -930,7 +931,7 @@
             self.container_name, object_name)
         self.assertEqual(''.join(data_segments), body.decode())
 
-    @test.idempotent_id('50d01f12-526f-4360-9ac2-75dd508d7b68')
+    @decorators.idempotent_id('50d01f12-526f-4360-9ac2-75dd508d7b68')
     def test_get_object_if_different(self):
         # http://en.wikipedia.org/wiki/HTTP_ETag
         # Make a conditional request for an object using the If-None-Match
@@ -984,7 +985,7 @@
         self.delete_containers([self.container_name])
         super(PublicObjectTest, self).tearDown()
 
-    @test.idempotent_id('07c9cf95-c0d4-4b49-b9c8-0ef2c9b27193')
+    @decorators.idempotent_id('07c9cf95-c0d4-4b49-b9c8-0ef2c9b27193')
     def test_access_public_container_object_without_using_creds(self):
         # make container public-readable and access an object in it object
         # anonymously, without using credentials
@@ -1021,7 +1022,7 @@
 
         self.assertEqual(body, data)
 
-    @test.idempotent_id('54e2a2fe-42dc-491b-8270-8e4217dd4cdc')
+    @decorators.idempotent_id('54e2a2fe-42dc-491b-8270-8e4217dd4cdc')
     def test_access_public_object_with_another_user_creds(self):
         # make container public-readable and access an object in it using
         # another user's credentials
diff --git a/tempest/api/object_storage/test_object_slo.py b/tempest/api/object_storage/test_object_slo.py
index f9c1148..8ed9bf8 100644
--- a/tempest/api/object_storage/test_object_slo.py
+++ b/tempest/api/object_storage/test_object_slo.py
@@ -20,6 +20,7 @@
 from tempest.common import custom_matchers
 from tempest.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
 from tempest import test
 
 # Each segment, except for the final one, must be at least 1 megabyte
@@ -105,7 +106,7 @@
         resp['etag'] = resp['etag'].strip('"')
         self.assertHeaders(resp, 'Object', method)
 
-    @test.idempotent_id('2c3f24a6-36e8-4711-9aa2-800ee1fc7b5b')
+    @decorators.idempotent_id('2c3f24a6-36e8-4711-9aa2-800ee1fc7b5b')
     @test.requires_ext(extension='slo', service='object')
     def test_upload_manifest(self):
         # create static large object from multipart manifest
@@ -120,7 +121,7 @@
 
         self._assertHeadersSLO(resp, 'PUT')
 
-    @test.idempotent_id('e69ad766-e1aa-44a2-bdd2-bf62c09c1456')
+    @decorators.idempotent_id('e69ad766-e1aa-44a2-bdd2-bf62c09c1456')
     @test.requires_ext(extension='slo', service='object')
     def test_list_large_object_metadata(self):
         # list static large object metadata using multipart manifest
@@ -132,7 +133,7 @@
 
         self._assertHeadersSLO(resp, 'HEAD')
 
-    @test.idempotent_id('49bc49bc-dd1b-4c0f-904e-d9f10b830ee8')
+    @decorators.idempotent_id('49bc49bc-dd1b-4c0f-904e-d9f10b830ee8')
     @test.requires_ext(extension='slo', service='object')
     def test_retrieve_large_object(self):
         # list static large object using multipart manifest
@@ -147,7 +148,7 @@
         sum_data = self.content + self.content
         self.assertEqual(body, sum_data)
 
-    @test.idempotent_id('87b6dfa1-abe9-404d-8bf0-6c3751e6aa77')
+    @decorators.idempotent_id('87b6dfa1-abe9-404d-8bf0-6c3751e6aa77')
     @test.requires_ext(extension='slo', service='object')
     def test_delete_large_object(self):
         # delete static large object using multipart manifest
diff --git a/tempest/api/object_storage/test_object_temp_url.py b/tempest/api/object_storage/test_object_temp_url.py
index bd0d213..5e3c9f7 100644
--- a/tempest/api/object_storage/test_object_temp_url.py
+++ b/tempest/api/object_storage/test_object_temp_url.py
@@ -20,6 +20,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -85,7 +86,7 @@
 
         return url
 
-    @test.idempotent_id('f91c96d4-1230-4bba-8eb9-84476d18d991')
+    @decorators.idempotent_id('f91c96d4-1230-4bba-8eb9-84476d18d991')
     @test.requires_ext(extension='tempurl', service='object')
     def test_get_object_using_temp_url(self):
         expires = self._get_expiry_date()
@@ -104,7 +105,7 @@
         resp, body = self.object_client.head(url)
         self.assertHeaders(resp, 'Object', 'HEAD')
 
-    @test.idempotent_id('671f9583-86bd-4128-a034-be282a68c5d8')
+    @decorators.idempotent_id('671f9583-86bd-4128-a034-be282a68c5d8')
     @test.requires_ext(extension='tempurl', service='object')
     def test_get_object_using_temp_url_key_2(self):
         key2 = 'Meta2-'
@@ -128,7 +129,7 @@
         resp, body = self.object_client.get(url)
         self.assertEqual(body, self.content)
 
-    @test.idempotent_id('9b08dade-3571-4152-8a4f-a4f2a873a735')
+    @decorators.idempotent_id('9b08dade-3571-4152-8a4f-a4f2a873a735')
     @test.requires_ext(extension='tempurl', service='object')
     def test_put_object_using_temp_url(self):
         new_data = data_utils.random_bytes(size=len(self.object_name))
@@ -154,7 +155,7 @@
         _, body = self.object_client.get(url)
         self.assertEqual(body, new_data)
 
-    @test.idempotent_id('249a0111-5ad3-4534-86a7-1993d55f9185')
+    @decorators.idempotent_id('249a0111-5ad3-4534-86a7-1993d55f9185')
     @test.requires_ext(extension='tempurl', service='object')
     def test_head_object_using_temp_url(self):
         expires = self._get_expiry_date()
@@ -168,7 +169,7 @@
         resp, body = self.object_client.head(url)
         self.assertHeaders(resp, 'Object', 'HEAD')
 
-    @test.idempotent_id('9d9cfd90-708b-465d-802c-e4a8090b823d')
+    @decorators.idempotent_id('9d9cfd90-708b-465d-802c-e4a8090b823d')
     @test.requires_ext(extension='tempurl', service='object')
     def test_get_object_using_temp_url_with_inline_query_parameter(self):
         expires = self._get_expiry_date()
diff --git a/tempest/api/object_storage/test_object_temp_url_negative.py b/tempest/api/object_storage/test_object_temp_url_negative.py
index df7a7f6..d0e0935 100644
--- a/tempest/api/object_storage/test_object_temp_url_negative.py
+++ b/tempest/api/object_storage/test_object_temp_url_negative.py
@@ -20,6 +20,7 @@
 
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -91,7 +92,7 @@
         return url
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('5a583aca-c804-41ba-9d9a-e7be132bdf0b')
+    @decorators.idempotent_id('5a583aca-c804-41ba-9d9a-e7be132bdf0b')
     @test.requires_ext(extension='tempurl', service='object')
     def test_get_object_after_expiration_time(self):
 
diff --git a/tempest/api/object_storage/test_object_version.py b/tempest/api/object_storage/test_object_version.py
index 6d064a2..1b12dac 100644
--- a/tempest/api/object_storage/test_object_version.py
+++ b/tempest/api/object_storage/test_object_version.py
@@ -18,7 +18,7 @@
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
 from tempest import config
-from tempest import test
+from tempest.lib import decorators
 
 CONF = config.CONF
 
@@ -44,7 +44,7 @@
         header_value = resp.get('x-versions-location', 'Missing Header')
         self.assertEqual(header_value, versioned)
 
-    @test.idempotent_id('a151e158-dcbf-4a1f-a1e7-46cd65895a6f')
+    @decorators.idempotent_id('a151e158-dcbf-4a1f-a1e7-46cd65895a6f')
     @testtools.skipIf(
         not CONF.object_storage_feature_enabled.object_versioning,
         'Object-versioning is disabled')
diff --git a/tempest/api/volume/admin/test_multi_backend.py b/tempest/api/volume/admin/test_multi_backend.py
index 72d71c7..1b97e4a 100644
--- a/tempest/api/volume/admin/test_multi_backend.py
+++ b/tempest/api/volume/admin/test_multi_backend.py
@@ -34,19 +34,18 @@
         super(VolumeMultiBackendV2Test, cls).resource_setup()
 
         # read backend name from a list .
-        cls.backend_names = set(CONF.volume.backend_names)
+        backend_names = set(CONF.volume.backend_names)
 
         cls.name_field = cls.special_fields['name_field']
-        cls.volume_type_id_list = []
         cls.volume_id_list_with_prefix = []
         cls.volume_id_list_without_prefix = []
 
         # Volume/Type creation (uses volume_backend_name)
         # It is not allowed to create the same backend name twice
-        if len(cls.backend_names) < 2:
+        if len(backend_names) < 2:
             raise cls.skipException("Requires at least two different "
                                     "backend names")
-        for backend_name in cls.backend_names:
+        for backend_name in backend_names:
             # Volume/Type creation (uses backend_name)
             cls._create_type_and_volume(backend_name, False)
             # Volume/Type creation (uses capabilities:volume_backend_name)
@@ -63,8 +62,8 @@
             extra_specs = {spec_key_with_prefix: backend_name_key}
         else:
             extra_specs = {spec_key_without_prefix: backend_name_key}
-        cls.type = cls.create_volume_type(name=type_name,
-                                          extra_specs=extra_specs)
+        cls.create_volume_type(name=type_name,
+                               extra_specs=extra_specs)
 
         params = {cls.name_field: vol_name, 'volume_type': type_name,
                   'size': CONF.volume.volume_size}
diff --git a/tempest/api/volume/admin/test_volume_retype_with_migration.py b/tempest/api/volume/admin/test_volume_retype_with_migration.py
index dc509de..4d32fdd 100644
--- a/tempest/api/volume/admin/test_volume_retype_with_migration.py
+++ b/tempest/api/volume/admin/test_volume_retype_with_migration.py
@@ -40,16 +40,16 @@
     def resource_setup(cls):
         super(VolumeRetypeWithMigrationV2Test, cls).resource_setup()
         # read backend name from a list.
-        cls.backend_src = CONF.volume.backend_names[0]
-        cls.backend_dst = CONF.volume.backend_names[1]
+        backend_src = CONF.volume.backend_names[0]
+        backend_dst = CONF.volume.backend_names[1]
 
-        extra_specs_src = {"volume_backend_name": cls.backend_src}
-        extra_specs_dst = {"volume_backend_name": cls.backend_dst}
+        extra_specs_src = {"volume_backend_name": backend_src}
+        extra_specs_dst = {"volume_backend_name": backend_dst}
 
-        cls.src_vol_type = cls.create_volume_type(extra_specs=extra_specs_src)
+        src_vol_type = cls.create_volume_type(extra_specs=extra_specs_src)
         cls.dst_vol_type = cls.create_volume_type(extra_specs=extra_specs_dst)
 
-        cls.src_vol = cls.create_volume(volume_type=cls.src_vol_type['name'])
+        cls.src_vol = cls.create_volume(volume_type=src_vol_type['name'])
 
     @classmethod
     def resource_cleanup(cls):
diff --git a/tempest/api/volume/admin/test_volume_types.py b/tempest/api/volume/admin/test_volume_types.py
index 6e6122b..213723c 100644
--- a/tempest/api/volume/admin/test_volume_types.py
+++ b/tempest/api/volume/admin/test_volume_types.py
@@ -36,7 +36,7 @@
         # Create/update/get/delete volume with volume_type and extra spec.
         volume_types = list()
         vol_name = data_utils.rand_name(self.__class__.__name__ + '-volume')
-        self.name_field = self.special_fields['name_field']
+        name_field = self.special_fields['name_field']
         proto = CONF.volume.storage_protocol
         vendor = CONF.volume.vendor_name
         extra_specs = {"storage_protocol": proto,
@@ -46,14 +46,14 @@
             vol_type = self.create_volume_type(
                 extra_specs=extra_specs)
             volume_types.append(vol_type)
-        params = {self.name_field: vol_name,
+        params = {name_field: vol_name,
                   'volume_type': volume_types[0]['id'],
                   'size': CONF.volume.volume_size}
 
         # Create volume
         volume = self.create_volume(**params)
         self.assertEqual(volume_types[0]['name'], volume["volume_type"])
-        self.assertEqual(volume[self.name_field], vol_name,
+        self.assertEqual(volume[name_field], vol_name,
                          "The created volume name is not equal "
                          "to the requested name")
         self.assertIsNotNone(volume['id'],
@@ -74,7 +74,7 @@
                          fetched_volume['volume_type'],
                          'The fetched Volume type is different '
                          'from updated volume type')
-        self.assertEqual(vol_name, fetched_volume[self.name_field],
+        self.assertEqual(vol_name, fetched_volume[name_field],
                          'The fetched Volume is different '
                          'from the created Volume')
         self.assertEqual(volume['id'], fetched_volume['id'],
@@ -90,8 +90,11 @@
         vendor = CONF.volume.vendor_name
         extra_specs = {"storage_protocol": proto,
                        "vendor_name": vendor}
-        body = self.create_volume_type(description=description, name=name,
-                                       extra_specs=extra_specs)
+        params = {'name': name,
+                  'description': description,
+                  'extra_specs': extra_specs,
+                  'os-volume-type-access:is_public': True}
+        body = self.create_volume_type(**params)
         self.assertIn('name', body)
         self.assertEqual(name, body['name'],
                          "The created volume_type name is not equal "
@@ -112,6 +115,12 @@
         self.assertEqual(extra_specs, fetched_volume_type['extra_specs'],
                          'The fetched Volume_type is different '
                          'from the created Volume_type')
+        self.assertEqual(description, fetched_volume_type['description'])
+        self.assertEqual(body['is_public'],
+                         fetched_volume_type['is_public'])
+        self.assertEqual(
+            body['os-volume-type-access:is_public'],
+            fetched_volume_type['os-volume-type-access:is_public'])
 
     @decorators.idempotent_id('7830abd0-ff99-4793-a265-405684a54d46')
     def test_volume_type_encryption_create_get_delete(self):
diff --git a/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py b/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
index 933b6ad..1dce7e0 100644
--- a/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
+++ b/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
@@ -24,8 +24,8 @@
     @classmethod
     def resource_setup(cls):
         super(ExtraSpecsNegativeV2Test, cls).resource_setup()
-        cls.extra_specs = {"spec1": "val1"}
-        cls.volume_type = cls.create_volume_type(extra_specs=cls.extra_specs)
+        extra_specs = {"spec1": "val1"}
+        cls.volume_type = cls.create_volume_type(extra_specs=extra_specs)
 
     @decorators.idempotent_id('08961d20-5cbb-4910-ac0f-89ad6dbb2da1')
     def test_update_no_body(self):
diff --git a/tempest/api/volume/admin/test_volume_types_negative.py b/tempest/api/volume/admin/test_volume_types_negative.py
index b278127..e8694b2 100644
--- a/tempest/api/volume/admin/test_volume_types_negative.py
+++ b/tempest/api/volume/admin/test_volume_types_negative.py
@@ -24,8 +24,8 @@
     @decorators.idempotent_id('b48c98f2-e662-4885-9b71-032256906314')
     def test_create_with_nonexistent_volume_type(self):
         # Should not be able to create volume with nonexistent volume_type.
-        self.name_field = self.special_fields['name_field']
-        params = {self.name_field: data_utils.rand_uuid(),
+        name_field = self.special_fields['name_field']
+        params = {name_field: data_utils.rand_uuid(),
                   'volume_type': data_utils.rand_uuid()}
         self.assertRaises(lib_exc.NotFound,
                           self.volumes_client.create_volume, **params)
diff --git a/tempest/api/volume/test_volume_transfers.py b/tempest/api/volume/test_volume_transfers.py
index 8d94cd2..5477770 100644
--- a/tempest/api/volume/test_volume_transfers.py
+++ b/tempest/api/volume/test_volume_transfers.py
@@ -30,7 +30,6 @@
 
         cls.client = cls.volumes_client
         cls.alt_client = cls.os_alt.volumes_client
-        cls.alt_tenant_id = cls.alt_client.tenant_id
         cls.adm_client = cls.os_adm.volumes_client
 
     @decorators.idempotent_id('4d75b645-a478-48b1-97c8-503f64242f1a')
diff --git a/tempest/api/volume/test_volumes_clone.py b/tempest/api/volume/test_volumes_clone.py
index 79a1a0a..d653808 100644
--- a/tempest/api/volume/test_volumes_clone.py
+++ b/tempest/api/volume/test_volumes_clone.py
@@ -43,7 +43,7 @@
         volume = self.volumes_client.show_volume(dst_vol['id'])['volume']
         # Should allow
         self.assertEqual(volume['source_volid'], src_vol['id'])
-        self.assertEqual(int(volume['size']), src_size + 1)
+        self.assertEqual(volume['size'], src_size + 1)
 
     @decorators.idempotent_id('cbbcd7c6-5a6c-481a-97ac-ca55ab715d16')
     def test_create_from_bootable_volume(self):
diff --git a/tempest/api/volume/test_volumes_extend.py b/tempest/api/volume/test_volumes_extend.py
index 20118df..2378790 100644
--- a/tempest/api/volume/test_volumes_extend.py
+++ b/tempest/api/volume/test_volumes_extend.py
@@ -23,14 +23,14 @@
     @decorators.idempotent_id('9a36df71-a257-43a5-9555-dc7c88e66e0e')
     def test_volume_extend(self):
         # Extend Volume Test.
-        self.volume = self.create_volume()
-        extend_size = int(self.volume['size']) + 1
-        self.volumes_client.extend_volume(self.volume['id'],
+        volume = self.create_volume()
+        extend_size = volume['size'] + 1
+        self.volumes_client.extend_volume(volume['id'],
                                           new_size=extend_size)
         waiters.wait_for_volume_status(self.volumes_client,
-                                       self.volume['id'], 'available')
-        volume = self.volumes_client.show_volume(self.volume['id'])['volume']
-        self.assertEqual(int(volume['size']), extend_size)
+                                       volume['id'], 'available')
+        volume = self.volumes_client.show_volume(volume['id'])['volume']
+        self.assertEqual(volume['size'], extend_size)
 
 
 class VolumesV1ExtendTest(VolumesV2ExtendTest):
diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
index 0a095a9..28e65ed 100644
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -221,7 +221,7 @@
     @decorators.idempotent_id('8f05a943-013c-4063-ac71-7baf561e82eb')
     def test_volume_extend_with_nonexistent_volume_id(self):
         # Extend volume size when volume is nonexistent.
-        extend_size = int(self.volume['size']) + 1
+        extend_size = self.volume['size'] + 1
         self.assertRaises(lib_exc.NotFound, self.volumes_client.extend_volume,
                           data_utils.rand_uuid(), new_size=extend_size)
 
@@ -229,7 +229,7 @@
     @decorators.idempotent_id('aff8ba64-6d6f-4f2e-bc33-41a08ee9f115')
     def test_volume_extend_without_passing_volume_id(self):
         # Extend volume size when passing volume id is None.
-        extend_size = int(self.volume['size']) + 1
+        extend_size = self.volume['size'] + 1
         self.assertRaises(lib_exc.NotFound, self.volumes_client.extend_volume,
                           None, new_size=extend_size)
 
diff --git a/tempest/api/volume/test_volumes_snapshots.py b/tempest/api/volume/test_volumes_snapshots.py
index f1ca722..9f4ce95 100644
--- a/tempest/api/volume/test_volumes_snapshots.py
+++ b/tempest/api/volume/test_volumes_snapshots.py
@@ -153,7 +153,7 @@
         volume = self.volumes_client.show_volume(dst_vol['id'])['volume']
         # Should allow
         self.assertEqual(volume['snapshot_id'], src_snap['id'])
-        self.assertEqual(int(volume['size']), src_size + 1)
+        self.assertEqual(volume['size'], src_size + 1)
 
 
 class VolumesV1SnapshotTestJSON(VolumesV2SnapshotTestJSON):
diff --git a/tempest/api/volume/test_volumes_snapshots_list.py b/tempest/api/volume/test_volumes_snapshots_list.py
index ff390ea..a0eaa00 100644
--- a/tempest/api/volume/test_volumes_snapshots_list.py
+++ b/tempest/api/volume/test_volumes_snapshots_list.py
@@ -28,11 +28,11 @@
     @classmethod
     def resource_setup(cls):
         super(VolumesV2SnapshotListTestJSON, cls).resource_setup()
-        cls.volume_origin = cls.create_volume()
+        volume_origin = cls.create_volume()
         cls.name_field = cls.special_fields['name_field']
         # Create snapshots with params
         for _ in range(2):
-            cls.snapshot = cls.create_snapshot(cls.volume_origin['id'])
+            cls.snapshot = cls.create_snapshot(volume_origin['id'])
 
     def _list_by_param_values_and_assert(self, with_detail=False, **params):
         """list or list_details with given params and validates result."""
diff --git a/tempest/api/volume/v2/test_volumes_list.py b/tempest/api/volume/v2/test_volumes_list.py
index 9b17515..8b51e64 100644
--- a/tempest/api/volume/v2/test_volumes_list.py
+++ b/tempest/api/volume/v2/test_volumes_list.py
@@ -15,6 +15,7 @@
 #    under the License.
 
 import random
+
 from six.moves.urllib import parse
 
 from tempest.api.volume import base
@@ -36,13 +37,13 @@
         super(VolumesV2ListTestJSON, cls).resource_setup()
 
         # Create 3 test volumes
-        cls.metadata = {'Type': 'work'}
+        metadata = {'Type': 'work'}
         # NOTE(zhufl): When using pre-provisioned credentials, the project
         # may have volumes other than those created below.
         existing_volumes = cls.volumes_client.list_volumes()['volumes']
         cls.volume_id_list = [vol['id'] for vol in existing_volumes]
         for _ in range(3):
-            volume = cls.create_volume(metadata=cls.metadata)
+            volume = cls.create_volume(metadata=metadata)
             cls.volume_id_list.append(volume['id'])
 
     @decorators.idempotent_id('2a7064eb-b9c3-429b-b888-33928fc5edd3')
diff --git a/tempest/api/volume/v2/test_volumes_snapshots_list.py b/tempest/api/volume/v2/test_volumes_snapshots_list.py
index f389b59..d385f65 100644
--- a/tempest/api/volume/v2/test_volumes_snapshots_list.py
+++ b/tempest/api/volume/v2/test_volumes_snapshots_list.py
@@ -15,7 +15,7 @@
 
 from tempest.api.volume import base
 from tempest import config
-from tempest import test
+from tempest.lib import decorators
 
 CONF = config.CONF
 
@@ -33,11 +33,10 @@
         super(VolumesV2SnapshotListTestJSON, cls).resource_setup()
         cls.snapshot_id_list = []
         # Create a volume
-        cls.volume_origin = cls.create_volume()
-        cls.name_field = cls.special_fields['name_field']
+        volume_origin = cls.create_volume()
         # Create 3 snapshots
         for _ in range(3):
-            snapshot = cls.create_snapshot(cls.volume_origin['id'])
+            snapshot = cls.create_snapshot(volume_origin['id'])
             cls.snapshot_id_list.append(snapshot['id'])
 
     def _list_snapshots_param_sort(self, sort_key, sort_dir):
@@ -56,33 +55,33 @@
         self.assertEqual(sorted(sorted_list, reverse=(sort_dir == 'desc')),
                          sorted_list, msg)
 
-    @test.idempotent_id('c5513ada-64c1-4d28-83b9-af3307ec1388')
+    @decorators.idempotent_id('c5513ada-64c1-4d28-83b9-af3307ec1388')
     def test_snapshot_list_param_sort_id_asc(self):
         self._list_snapshots_param_sort(sort_key='id', sort_dir='asc')
 
-    @test.idempotent_id('8a7fe058-0b41-402a-8afd-2dbc5a4a718b')
+    @decorators.idempotent_id('8a7fe058-0b41-402a-8afd-2dbc5a4a718b')
     def test_snapshot_list_param_sort_id_desc(self):
         self._list_snapshots_param_sort(sort_key='id', sort_dir='desc')
 
-    @test.idempotent_id('4052c3a0-2415-440a-a8cc-305a875331b0')
+    @decorators.idempotent_id('4052c3a0-2415-440a-a8cc-305a875331b0')
     def test_snapshot_list_param_sort_created_at_asc(self):
         self._list_snapshots_param_sort(sort_key='created_at', sort_dir='asc')
 
-    @test.idempotent_id('dcbbe24a-f3c0-4ec8-9274-55d48db8d1cf')
+    @decorators.idempotent_id('dcbbe24a-f3c0-4ec8-9274-55d48db8d1cf')
     def test_snapshot_list_param_sort_created_at_desc(self):
         self._list_snapshots_param_sort(sort_key='created_at', sort_dir='desc')
 
-    @test.idempotent_id('d58b5fed-0c37-42d3-8c5d-39014ac13c00')
+    @decorators.idempotent_id('d58b5fed-0c37-42d3-8c5d-39014ac13c00')
     def test_snapshot_list_param_sort_name_asc(self):
         self._list_snapshots_param_sort(sort_key='display_name',
                                         sort_dir='asc')
 
-    @test.idempotent_id('96ba6f4d-1f18-47e1-b4bc-76edc6c21250')
+    @decorators.idempotent_id('96ba6f4d-1f18-47e1-b4bc-76edc6c21250')
     def test_snapshot_list_param_sort_name_desc(self):
         self._list_snapshots_param_sort(sort_key='display_name',
                                         sort_dir='desc')
 
-    @test.idempotent_id('05489dde-44bc-4961-a1f5-3ce7ee7824f7')
+    @decorators.idempotent_id('05489dde-44bc-4961-a1f5-3ce7ee7824f7')
     def test_snapshot_list_param_marker(self):
         # The list of snapshots should end before the provided marker
         params = {'marker': self.snapshot_id_list[1]}
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index 01de704..55bc93e 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -17,10 +17,10 @@
 from oslo_utils import excutils
 
 from tempest.common import fixed_network
+from tempest.common.utils import data_utils
 from tempest.common import waiters
 from tempest import config
 from tempest.lib.common import rest_client
-from tempest.lib.common.utils import data_utils
 
 CONF = config.CONF
 
diff --git a/tempest/common/dynamic_creds.py b/tempest/common/dynamic_creds.py
index 632a876..88fe26c 100644
--- a/tempest/common/dynamic_creds.py
+++ b/tempest/common/dynamic_creds.py
@@ -293,12 +293,12 @@
         return resp_body['subnet']
 
     def _create_router(self, router_name, tenant_id):
-        external_net_id = dict(
-            network_id=self.public_network_id)
-        resp_body = self.routers_admin_client.create_router(
-            name=router_name,
-            external_gateway_info=external_net_id,
-            tenant_id=tenant_id)
+        kwargs = {'name': router_name,
+                  'tenant_id': tenant_id}
+        if self.public_network_id:
+            kwargs['external_gateway_info'] = dict(
+                network_id=self.public_network_id)
+        resp_body = self.routers_admin_client.create_router(**kwargs)
         return resp_body['router']
 
     def _add_router_interface(self, router_id, subnet_id):
diff --git a/tempest/common/fixed_network.py b/tempest/common/fixed_network.py
index f50edbd..4032c90 100644
--- a/tempest/common/fixed_network.py
+++ b/tempest/common/fixed_network.py
@@ -11,6 +11,7 @@
 #    under the License.
 
 import copy
+
 from oslo_log import log as logging
 
 from tempest import exceptions
diff --git a/tempest/common/utils/linux/remote_client.py b/tempest/common/utils/linux/remote_client.py
index 009812e..1487c1d 100644
--- a/tempest/common/utils/linux/remote_client.py
+++ b/tempest/common/utils/linux/remote_client.py
@@ -10,12 +10,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import netaddr
 import re
-import six
 import sys
 import time
 
+import netaddr
+import six
+
 from oslo_log import log as logging
 
 from tempest import config
diff --git a/tempest/common/waiters.py b/tempest/common/waiters.py
index 865db39..15619f4 100644
--- a/tempest/common/waiters.py
+++ b/tempest/common/waiters.py
@@ -121,7 +121,7 @@
                      '/'.join((server_status, str(task_state))),
                      time.time() - start_time)
         if server_status == 'ERROR' and not ignore_error:
-            raise exceptions.BuildErrorException(server_id=server_id)
+            raise lib_exc.DeleteErrorException(resource_id=server_id)
 
         if int(time.time()) - start_time >= client.build_timeout:
             raise lib_exc.TimeoutException
@@ -218,7 +218,7 @@
                        'within the required time (%s s).' %
                        (volume_id, new_volume_type, current_volume_type,
                         client.build_timeout))
-            raise exceptions.TimeoutException(message)
+            raise lib_exc.TimeoutException(message)
 
 
 def wait_for_snapshot_status(client, snapshot_id, status):
diff --git a/tempest/config.py b/tempest/config.py
index fe8c175..b4d88c5 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -15,14 +15,12 @@
 
 from __future__ import print_function
 
-import functools
 import os
 import tempfile
 
 from oslo_concurrency import lockutils
 from oslo_config import cfg
 from oslo_log import log as logging
-import testtools
 
 from tempest.lib import exceptions
 from tempest.lib.services import clients
@@ -310,8 +308,7 @@
                     "min_microversion and max_microversion. "
                     "If both values are not specified, Tempest avoids tests "
                     "which require a microversion. Valid values are string "
-                    "with format 'X.Y' or string 'latest'",
-                    deprecated_group='compute-feature-enabled'),
+                    "with format 'X.Y' or string 'latest'"),
     cfg.StrOpt('max_microversion',
                default=None,
                help="Upper version of the test target microversion range. "
@@ -320,8 +317,7 @@
                     "min_microversion and max_microversion. "
                     "If both values are not specified, Tempest avoids tests "
                     "which require a microversion. Valid values are string "
-                    "with format 'X.Y' or string 'latest'",
-                    deprecated_group='compute-feature-enabled'),
+                    "with format 'X.Y' or string 'latest'"),
 ]
 
 compute_features_group = cfg.OptGroup(name='compute-feature-enabled',
@@ -537,23 +533,18 @@
                         'publicURL', 'adminURL', 'internalURL'],
                help="The endpoint type to use for the network service."),
     cfg.StrOpt('project_network_cidr',
-               deprecated_name='tenant_network_cidr',
                default="10.100.0.0/16",
                help="The cidr block to allocate project ipv4 subnets from"),
     cfg.IntOpt('project_network_mask_bits',
-               deprecated_name='tenant_network_mask_bits',
                default=28,
                help="The mask bits for project ipv4 subnets"),
     cfg.StrOpt('project_network_v6_cidr',
-               deprecated_name='tenant_network_v6_cidr',
                default="2003::/48",
                help="The cidr block to allocate project ipv6 subnets from"),
     cfg.IntOpt('project_network_v6_mask_bits',
-               deprecated_name='tenant_network_v6_mask_bits',
                default=64,
                help="The mask bits for project ipv6 subnets"),
     cfg.BoolOpt('project_networks_reachable',
-                deprecated_name='tenant_networks_reachable',
                 default=False,
                 help="Whether project networks can be reached directly from "
                      "the test client. This must be set to True when the "
@@ -655,17 +646,13 @@
                choices=['fixed', 'floating'],
                help='Default IP type used for validation: '
                     '-fixed: uses the first IP belonging to the fixed network '
-                    '-floating: creates and uses a floating IP',
-               deprecated_opts=[cfg.DeprecatedOpt('use_floatingip_for_ssh',
-                                                  group='compute')]),
+                    '-floating: creates and uses a floating IP'),
     cfg.StrOpt('auth_method',
                default='keypair',
                choices=['keypair'],
                help='Default authentication method to the instance. '
                     'Only ssh via keypair is supported for now. '
-                    'Additional methods will be handled in a separate spec.',
-               deprecated_opts=[cfg.DeprecatedOpt('ssh_auth_method',
-                                                  group='compute')]),
+                    'Additional methods will be handled in a separate spec.'),
     cfg.IntOpt('ip_version_for_ssh',
                default=4,
                help='Default IP version for ssh connections.'),
@@ -692,35 +679,25 @@
                                                   group='scenario')]),
     cfg.StrOpt('image_ssh_password',
                default="password",
-               help="Password used to authenticate to an instance.",
-               deprecated_opts=[cfg.DeprecatedOpt('image_ssh_password',
-                                                  group='compute')]),
+               help="Password used to authenticate to an instance."),
     cfg.StrOpt('ssh_shell_prologue',
                default="set -eu -o pipefail; PATH=$$PATH:/sbin;",
                help="Shell fragments to use before executing a command "
-                    "when sshing to a guest.",
-               deprecated_opts=[cfg.DeprecatedOpt('ssh_shell_prologue',
-                                                  group='compute')]),
+                    "when sshing to a guest."),
     cfg.IntOpt('ping_size',
                default=56,
                help="The packet size for ping packets originating "
-                    "from remote linux hosts",
-               deprecated_opts=[cfg.DeprecatedOpt('ping_size',
-                                                  group='compute')]),
+                    "from remote linux hosts"),
     cfg.IntOpt('ping_count',
                default=1,
                help="The number of ping packets originating from remote "
-                    "linux hosts",
-               deprecated_opts=[cfg.DeprecatedOpt('ping_count',
-                                                  group='compute')]),
+                    "linux hosts"),
     cfg.StrOpt('floating_ip_range',
                default='10.0.0.0/29',
                help='Unallocated floating IP range, which will be used to '
                     'test the floating IP bulk feature for CRUD operation. '
                     'This block must not overlap an existing floating IP '
-                    'pool.',
-               deprecated_opts=[cfg.DeprecatedOpt('floating_ip_range',
-                                                  group='compute')]),
+                    'pool.'),
     cfg.StrOpt('network_for_ssh',
                default='public',
                help="Network used for SSH connections. Ignored if "
@@ -1035,32 +1012,6 @@
 """)
 ]
 
-input_scenario_group = cfg.OptGroup(name="input-scenario",
-                                    title="Filters and values for"
-                                          " input scenarios[DEPRECATED]")
-
-
-InputScenarioGroup = [
-    cfg.StrOpt('image_regex',
-               default='^cirros-0.3.1-x86_64-uec$',
-               help="Matching images become parameters for scenario tests",
-               deprecated_for_removal=True),
-    cfg.StrOpt('flavor_regex',
-               default='^m1.nano$',
-               help="Matching flavors become parameters for scenario tests",
-               deprecated_for_removal=True),
-    cfg.StrOpt('non_ssh_image_regex',
-               default='^.*[Ww]in.*$',
-               help="SSH verification in tests is skipped"
-                    "for matching images",
-               deprecated_for_removal=True),
-    cfg.StrOpt('ssh_user_regex',
-               default="[[\"^.*[Cc]irros.*$\", \"cirros\"]]",
-               help="List of user mapped to regex "
-                    "to matching image names.",
-               deprecated_for_removal=True),
-]
-
 DefaultGroup = [
     cfg.StrOpt('resources_prefix',
                default='tempest',
@@ -1090,7 +1041,6 @@
     (scenario_group, ScenarioGroup),
     (service_available_group, ServiceAvailableGroup),
     (debug_group, DebugGroup),
-    (input_scenario_group, InputScenarioGroup),
     (None, DefaultGroup)
 ]
 
@@ -1152,7 +1102,6 @@
         self.scenario = _CONF.scenario
         self.service_available = _CONF.service_available
         self.debug = _CONF.debug
-        self.input_scenario = _CONF['input-scenario']
         logging.tempest_set_log_file('tempest.log')
 
     def __init__(self, parse_conf=True, config_path=None):
@@ -1240,75 +1189,6 @@
 CONF = TempestConfigProxy()
 
 
-def skip_unless_config(*args):
-    """Decorator to raise a skip if a config opt doesn't exist or is False
-
-    :param str group: The first arg, the option group to check
-    :param str name: The second arg, the option name to check
-    :param str msg: Optional third arg, the skip msg to use if a skip is raised
-    :raises testtools.TestCaseskipException: If the specified config option
-        doesn't exist or it exists and evaluates to False
-    """
-    def decorator(f):
-        group = args[0]
-        name = args[1]
-
-        @functools.wraps(f)
-        def wrapper(self, *func_args, **func_kwargs):
-            if not hasattr(CONF, group):
-                msg = "Config group %s doesn't exist" % group
-                raise testtools.TestCase.skipException(msg)
-
-            conf_group = getattr(CONF, group)
-            if not hasattr(conf_group, name):
-                msg = "Config option %s.%s doesn't exist" % (group,
-                                                             name)
-                raise testtools.TestCase.skipException(msg)
-
-            value = getattr(conf_group, name)
-            if not value:
-                if len(args) == 3:
-                    msg = args[2]
-                else:
-                    msg = "Config option %s.%s is false" % (group,
-                                                            name)
-                raise testtools.TestCase.skipException(msg)
-            return f(self, *func_args, **func_kwargs)
-        return wrapper
-    return decorator
-
-
-def skip_if_config(*args):
-    """Raise a skipException if a config exists and is True
-
-    :param str group: The first arg, the option group to check
-    :param str name: The second arg, the option name to check
-    :param str msg: Optional third arg, the skip msg to use if a skip is raised
-    :raises testtools.TestCase.skipException: If the specified config option
-        exists and evaluates to True
-    """
-    def decorator(f):
-        group = args[0]
-        name = args[1]
-
-        @functools.wraps(f)
-        def wrapper(self, *func_args, **func_kwargs):
-            if hasattr(CONF, group):
-                conf_group = getattr(CONF, group)
-                if hasattr(conf_group, name):
-                    value = getattr(conf_group, name)
-                    if value:
-                        if len(args) == 3:
-                            msg = args[2]
-                        else:
-                            msg = "Config option %s.%s is false" % (group,
-                                                                    name)
-                        raise testtools.TestCase.skipException(msg)
-            return f(self, *func_args, **func_kwargs)
-        return wrapper
-    return decorator
-
-
 def service_client_config(service_client_name=None):
     """Return a dict with the parameters to init service clients
 
diff --git a/tempest/exceptions.py b/tempest/exceptions.py
index 43f919a..45bbc11 100644
--- a/tempest/exceptions.py
+++ b/tempest/exceptions.py
@@ -25,6 +25,10 @@
     message = "Server %(server_id)s failed to build and is in ERROR status"
 
 
+class SnapshotNotFoundException(exceptions.TempestException):
+    message = "Server snapshot image %(image_id)s not found."
+
+
 class ImageKilledException(exceptions.TempestException):
     message = "Image %(image_id)s 'killed' while waiting for '%(status)s'"
 
diff --git a/tempest/lib/api_schema/response/compute/v2_1/availability_zone.py b/tempest/lib/api_schema/response/compute/v2_1/availability_zone.py
index f7b77a1..0dc28c3 100644
--- a/tempest/lib/api_schema/response/compute/v2_1/availability_zone.py
+++ b/tempest/lib/api_schema/response/compute/v2_1/availability_zone.py
@@ -51,7 +51,7 @@
 }
 
 detail = {
-    'type': 'object',
+    'type': ['object', 'null'],
     'patternProperties': {
         # NOTE: Here is for a hostname
         '^[a-zA-Z0-9-_.]+$': {
diff --git a/tempest/lib/cmd/check_uuid.py b/tempest/lib/cmd/check_uuid.py
index 2fe957b..283b10f 100755
--- a/tempest/lib/cmd/check_uuid.py
+++ b/tempest/lib/cmd/check_uuid.py
@@ -27,6 +27,7 @@
 import six.moves.urllib.parse as urlparse
 
 # TODO(oomichi): Need to remove this after switching all modules to decorators
+# on all OpenStack projects because they runs check-uuid on their own gates.
 OLD_DECORATOR_MODULE = 'test'
 
 DECORATOR_MODULE = 'decorators'
@@ -120,7 +121,7 @@
 
     @staticmethod
     def _get_idempotent_id(test_node):
-        """Return key-value dict with all metadata from @test.idempotent_id"""
+        "Return key-value dict with metadata from @decorators.idempotent_id"
         idempotent_id = None
         for decorator in test_node.decorator_list:
             if (hasattr(decorator, 'func') and
@@ -308,7 +309,8 @@
         Returns true if untagged tests exist.
         """
         def report(module_name, test_name, tests):
-            error_str = "%s:%s\nmissing @test.idempotent_id('...')\n%s\n" % (
+            error_str = ("%s:%s\nmissing @decorators.idempotent_id"
+                         "('...')\n%s\n") % (
                 tests[module_name]['source_path'],
                 tests[module_name]['tests'][test_name].lineno,
                 test_name
@@ -356,7 +358,8 @@
     else:
         errors = checker.report_untagged(untagged) or errors
     if errors:
-        sys.exit("@test.idempotent_id existence and uniqueness checks failed\n"
+        sys.exit("@decorators.idempotent_id existence and uniqueness checks "
+                 "failed\n"
                  "Run 'tox -v -euuidgen' to automatically fix tests with\n"
                  "missing @test.idempotent_id decorators.")
 
diff --git a/tempest/lib/common/rest_client.py b/tempest/lib/common/rest_client.py
index d0e21ff..f5bff20 100644
--- a/tempest/lib/common/rest_client.py
+++ b/tempest/lib/common/rest_client.py
@@ -617,6 +617,7 @@
         :raises BadRequest: If a 400 response code is received
         :raises Gone: If a 410 response code is received
         :raises Conflict: If a 409 response code is received
+        :raises PreconditionFailed: If a 412 response code is received
         :raises OverLimit: If a 413 response code is received and over_limit is
                           not in the response body
         :raises RateLimitExceeded: If a 413 response code is received and
@@ -775,6 +776,11 @@
                 resp_body = self._parse_resp(resp_body)
             raise exceptions.Conflict(resp_body, resp=resp)
 
+        if resp.status == 412:
+            if parse_resp:
+                resp_body = self._parse_resp(resp_body)
+            raise exceptions.PreconditionFailed(resp_body, resp=resp)
+
         if resp.status == 413:
             if parse_resp:
                 resp_body = self._parse_resp(resp_body)
diff --git a/tempest/lib/common/utils/data_utils.py b/tempest/lib/common/utils/data_utils.py
index 75c2e51..642514b 100644
--- a/tempest/lib/common/utils/data_utils.py
+++ b/tempest/lib/common/utils/data_utils.py
@@ -14,12 +14,12 @@
 #    under the License.
 
 import itertools
-import netaddr
 import random
 import string
 import uuid
 
 from debtcollector import removals
+import netaddr
 from oslo_utils import netutils
 from oslo_utils import uuidutils
 import six.moves
diff --git a/tempest/lib/exceptions.py b/tempest/lib/exceptions.py
index 108ba70..dea3289 100644
--- a/tempest/lib/exceptions.py
+++ b/tempest/lib/exceptions.py
@@ -101,6 +101,11 @@
     message = "The requested resource is no longer available"
 
 
+class PreconditionFailed(ClientRestClientException):
+    status_code = 412
+    message = "Precondition Failed"
+
+
 class RateLimitExceeded(ClientRestClientException):
     status_code = 413
     message = "Rate limit exceeded"
@@ -259,3 +264,8 @@
 
 class VolumeBackupException(TempestException):
     message = "Volume backup %(backup_id)s failed and is in ERROR status"
+
+
+class DeleteErrorException(TempestException):
+    message = ("Resource %(resource_id)s failed to delete "
+               "and is in ERROR status")
diff --git a/tempest/lib/services/compute/servers_client.py b/tempest/lib/services/compute/servers_client.py
index 50ce32e..f16ef88 100644
--- a/tempest/lib/services/compute/servers_client.py
+++ b/tempest/lib/services/compute/servers_client.py
@@ -30,6 +30,8 @@
 
 
 class ServersClient(base_compute_client.BaseComputeClient):
+    """Service client for the resource /servers"""
+
     schema_versions_info = [
         {'min': None, 'max': '2.2', 'schema': schema},
         {'min': '2.3', 'max': '2.8', 'schema': schemav23},
diff --git a/tempest/lib/services/identity/v3/roles_client.py b/tempest/lib/services/identity/v3/roles_client.py
index f1339dd..0df23ce 100644
--- a/tempest/lib/services/identity/v3/roles_client.py
+++ b/tempest/lib/services/identity/v3/roles_client.py
@@ -190,3 +190,40 @@
                                (domain_id, group_id, role_id))
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp)
+
+    def create_role_inference_rule(self, prior_role, implies_role):
+        """Create a role inference rule."""
+        resp, body = self.put('roles/%s/implies/%s' %
+                              (prior_role, implies_role), None)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def show_role_inference_rule(self, prior_role, implies_role):
+        """Get a role inference rule."""
+        resp, body = self.get('roles/%s/implies/%s' %
+                              (prior_role, implies_role))
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def list_role_inferences_rules(self, prior_role):
+        """List the inferences rules from a role."""
+        resp, body = self.get('roles/%s/implies' % prior_role)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def check_role_inference_rule(self, prior_role, implies_role):
+        """Check a role inference rule."""
+        resp, body = self.head('roles/%s/implies/%s' %
+                               (prior_role, implies_role))
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp)
+
+    def delete_role_inference_rule(self, prior_role, implies_role):
+        """Delete a role inference rule."""
+        resp, body = self.delete('roles/%s/implies/%s' %
+                                 (prior_role, implies_role))
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp)
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 076ac81..6014c8c 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -117,7 +117,7 @@
         return body['keypair']
 
     def create_server(self, name=None, image_id=None, flavor=None,
-                      validatable=False, wait_until=None,
+                      validatable=False, wait_until='ACTIVE',
                       clients=None, **kwargs):
         """Wrapper utility that returns a test server.
 
@@ -708,13 +708,11 @@
             raise cls.skipException('Neutron not available')
 
     def _create_network(self, networks_client=None,
-                        routers_client=None, tenant_id=None,
+                        tenant_id=None,
                         namestart='network-smoke-',
                         port_security_enabled=True):
         if not networks_client:
             networks_client = self.networks_client
-        if not routers_client:
-            routers_client = self.routers_client
         if not tenant_id:
             tenant_id = networks_client.tenant_id
         name = data_utils.rand_name(namestart)
diff --git a/tempest/scenario/test_aggregates_basic_ops.py b/tempest/scenario/test_aggregates_basic_ops.py
index 8de3561..95c2d32 100644
--- a/tempest/scenario/test_aggregates_basic_ops.py
+++ b/tempest/scenario/test_aggregates_basic_ops.py
@@ -15,6 +15,7 @@
 
 from tempest.common import tempest_fixtures as fixtures
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -35,9 +36,8 @@
     def setup_clients(cls):
         super(TestAggregatesBasicOps, cls).setup_clients()
         # Use admin client by default
-        cls.manager = cls.admin_manager
-        cls.aggregates_client = cls.manager.aggregates_client
-        cls.hosts_client = cls.manager.hosts_client
+        cls.aggregates_client = cls.admin_manager.aggregates_client
+        cls.hosts_client = cls.admin_manager.hosts_client
 
     def _create_aggregate(self, **kwargs):
         aggregate = (self.aggregates_client.create_aggregate(**kwargs)
@@ -95,7 +95,7 @@
         self.assertEqual(aggregate['availability_zone'], availability_zone)
         return aggregate
 
-    @test.idempotent_id('cb2b4c4f-0c7c-4164-bdde-6285b302a081')
+    @decorators.idempotent_id('cb2b4c4f-0c7c-4164-bdde-6285b302a081')
     @test.services('compute')
     def test_aggregate_basic_ops(self):
         self.useFixture(fixtures.LockFixture('availability_zone'))
diff --git a/tempest/scenario/test_encrypted_cinder_volumes.py b/tempest/scenario/test_encrypted_cinder_volumes.py
index 1659ebe..da29485 100644
--- a/tempest/scenario/test_encrypted_cinder_volumes.py
+++ b/tempest/scenario/test_encrypted_cinder_volumes.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -45,9 +46,7 @@
         image = self.glance_image_create()
         keypair = self.create_keypair()
 
-        return self.create_server(image_id=image,
-                                  key_name=keypair['name'],
-                                  wait_until='ACTIVE')
+        return self.create_server(image_id=image, key_name=keypair['name'])
 
     def create_encrypted_volume(self, encryption_provider, volume_type):
         volume_type = self.create_volume_type(name=volume_type)
@@ -62,7 +61,7 @@
         attached_volume = self.nova_volume_attach(server, volume)
         self.nova_volume_detach(server, attached_volume)
 
-    @test.idempotent_id('79165fb4-5534-4b9d-8429-97ccffb8f86e')
+    @decorators.idempotent_id('79165fb4-5534-4b9d-8429-97ccffb8f86e')
     @test.services('compute', 'volume', 'image')
     def test_encrypted_cinder_volumes_luks(self):
         server = self.launch_instance()
@@ -71,7 +70,7 @@
                                               volume_type='luks')
         self.attach_detach_volume(server, volume)
 
-    @test.idempotent_id('cbc752ed-b716-4717-910f-956cce965722')
+    @decorators.idempotent_id('cbc752ed-b716-4717-910f-956cce965722')
     @test.services('compute', 'volume', 'image')
     def test_encrypted_cinder_volumes_cryptsetup(self):
         server = self.launch_instance()
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index c454ae2..27c45cb 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -13,10 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest.common import custom_matchers
 from tempest.common import waiters
 from tempest import config
 from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest.scenario import manager
 from tempest import test
@@ -97,15 +100,15 @@
                         address['addr'] == floating_ip['ip']):
                     return address
 
-    @test.idempotent_id('bdbb5441-9204-419d-a225-b4fdbfb1a1a8')
+    @decorators.idempotent_id('bdbb5441-9204-419d-a225-b4fdbfb1a1a8')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     @test.services('compute', 'volume', 'image', 'network')
     def test_minimum_basic_scenario(self):
         image = self.glance_image_create()
         keypair = self.create_keypair()
 
-        server = self.create_server(image_id=image,
-                                    key_name=keypair['name'],
-                                    wait_until='ACTIVE')
+        server = self.create_server(image_id=image, key_name=keypair['name'])
         servers = self.servers_client.list_servers()['servers']
         self.assertIn(server['id'], [x['id'] for x in servers])
 
diff --git a/tempest/scenario/test_network_advanced_server_ops.py b/tempest/scenario/test_network_advanced_server_ops.py
index 1279484..1196659 100644
--- a/tempest/scenario/test_network_advanced_server_ops.py
+++ b/tempest/scenario/test_network_advanced_server_ops.py
@@ -17,6 +17,7 @@
 
 from tempest.common import waiters
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -38,7 +39,6 @@
     def setup_clients(cls):
         super(TestNetworkAdvancedServerOps, cls).setup_clients()
         cls.admin_servers_client = cls.os_adm.servers_client
-        cls.admin_hosts_client = cls.os_adm.hosts_client
 
     @classmethod
     def skip_checks(cls):
@@ -64,8 +64,7 @@
         server = self.create_server(
             networks=[{'uuid': network['id']}],
             key_name=keypair['name'],
-            security_groups=security_groups,
-            wait_until='ACTIVE')
+            security_groups=security_groups)
         return server
 
     def _setup_network(self, server, keypair):
@@ -104,7 +103,7 @@
         body = self.admin_servers_client.show_server(server_id)['server']
         return body['OS-EXT-SRV-ATTR:host']
 
-    @test.idempotent_id('61f1aa9a-1573-410e-9054-afa557cab021')
+    @decorators.idempotent_id('61f1aa9a-1573-410e-9054-afa557cab021')
     @test.services('compute', 'network')
     def test_server_connectivity_stop_start(self):
         keypair = self.create_keypair()
@@ -119,7 +118,7 @@
         self._wait_server_status_and_check_network_connectivity(
             server, keypair, floating_ip)
 
-    @test.idempotent_id('7b6860c2-afa3-4846-9522-adeb38dfbe08')
+    @decorators.idempotent_id('7b6860c2-afa3-4846-9522-adeb38dfbe08')
     @test.services('compute', 'network')
     def test_server_connectivity_reboot(self):
         keypair = self.create_keypair()
@@ -129,7 +128,7 @@
         self._wait_server_status_and_check_network_connectivity(
             server, keypair, floating_ip)
 
-    @test.idempotent_id('88a529c2-1daa-4c85-9aec-d541ba3eb699')
+    @decorators.idempotent_id('88a529c2-1daa-4c85-9aec-d541ba3eb699')
     @test.services('compute', 'network')
     def test_server_connectivity_rebuild(self):
         keypair = self.create_keypair()
@@ -141,7 +140,7 @@
         self._wait_server_status_and_check_network_connectivity(
             server, keypair, floating_ip)
 
-    @test.idempotent_id('2b2642db-6568-4b35-b812-eceed3fa20ce')
+    @decorators.idempotent_id('2b2642db-6568-4b35-b812-eceed3fa20ce')
     @testtools.skipUnless(CONF.compute_feature_enabled.pause,
                           'Pause is not available.')
     @test.services('compute', 'network')
@@ -158,7 +157,7 @@
         self._wait_server_status_and_check_network_connectivity(
             server, keypair, floating_ip)
 
-    @test.idempotent_id('5cdf9499-541d-4923-804e-b9a60620a7f0')
+    @decorators.idempotent_id('5cdf9499-541d-4923-804e-b9a60620a7f0')
     @testtools.skipUnless(CONF.compute_feature_enabled.suspend,
                           'Suspend is not available.')
     @test.services('compute', 'network')
@@ -175,7 +174,7 @@
         self._wait_server_status_and_check_network_connectivity(
             server, keypair, floating_ip)
 
-    @test.idempotent_id('719eb59d-2f42-4b66-b8b1-bb1254473967')
+    @decorators.idempotent_id('719eb59d-2f42-4b66-b8b1-bb1254473967')
     @testtools.skipUnless(CONF.compute_feature_enabled.resize,
                           'Resize is not available.')
     @test.services('compute', 'network')
@@ -195,7 +194,7 @@
         self._wait_server_status_and_check_network_connectivity(
             server, keypair, floating_ip)
 
-    @test.idempotent_id('a4858f6c-401e-4155-9a49-d5cd053d1a2f')
+    @decorators.idempotent_id('a4858f6c-401e-4155-9a49-d5cd053d1a2f')
     @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration,
                           'Cold migration is not available.')
     @testtools.skipUnless(CONF.compute.min_compute_nodes > 1,
@@ -220,7 +219,7 @@
 
         self.assertNotEqual(src_host, dst_host)
 
-    @test.idempotent_id('25b188d7-0183-4b1e-a11d-15840c8e2fd6')
+    @decorators.idempotent_id('25b188d7-0183-4b1e-a11d-15840c8e2fd6')
     @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration,
                           'Cold migration is not available.')
     @testtools.skipUnless(CONF.compute.min_compute_nodes > 1,
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index f9aa3e7..4dae564 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -109,13 +109,13 @@
         self.check_networks()
 
         self.ports = []
-        self.port_id = None
+        port_id = None
         if boot_with_port:
             # create a port on the network and boot with that
-            self.port_id = self._create_port(self.network['id'])['id']
-            self.ports.append({'port': self.port_id})
+            port_id = self._create_port(self.network['id'])['id']
+            self.ports.append({'port': port_id})
 
-        server = self._create_server(self.network, self.port_id)
+        server = self._create_server(self.network, port_id)
         self._check_tenant_network_connectivity()
 
         floating_ip = self.create_floating_ip(server)
@@ -160,8 +160,7 @@
         server = self.create_server(
             networks=[network],
             key_name=keypair['name'],
-            security_groups=security_groups,
-            wait_until='ACTIVE')
+            security_groups=security_groups)
         self.servers.append(server)
         return server
 
@@ -354,7 +353,7 @@
                 raise
 
     @test.attr(type='smoke')
-    @test.idempotent_id('f323b3ba-82f8-4db7-8ea6-6a895869ec49')
+    @decorators.idempotent_id('f323b3ba-82f8-4db7-8ea6-6a895869ec49')
     @test.services('compute', 'network')
     def test_network_basic_ops(self):
         """Basic network operation test
@@ -406,7 +405,7 @@
                                                msg="after re-associate "
                                                    "floating ip")
 
-    @test.idempotent_id('b158ea55-472e-4086-8fa9-c64ac0c6c1d0')
+    @decorators.idempotent_id('b158ea55-472e-4086-8fa9-c64ac0c6c1d0')
     @testtools.skipUnless(test.is_extension_enabled('net-mtu', 'network'),
                           'No way to calculate MTU for networks')
     @test.services('compute', 'network')
@@ -416,7 +415,7 @@
         self.check_public_network_connectivity(
             should_connect=True, mtu=self.network['mtu'])
 
-    @test.idempotent_id('1546850e-fbaa-42f5-8b5f-03d8a6a95f15')
+    @decorators.idempotent_id('1546850e-fbaa-42f5-8b5f-03d8a6a95f15')
     @testtools.skipIf(CONF.network.shared_physical_network,
                       'Connectivity can only be tested when in a '
                       'multitenant network environment')
@@ -469,7 +468,7 @@
         self._check_network_internal_connectivity(network=self.new_net,
                                                   should_connect=True)
 
-    @test.idempotent_id('c5adff73-e961-41f1-b4a9-343614f18cfa')
+    @decorators.idempotent_id('c5adff73-e961-41f1-b4a9-343614f18cfa')
     @testtools.skipUnless(CONF.compute_feature_enabled.interface_attach,
                           'NIC hotplug not available')
     @testtools.skipIf(CONF.network.port_vnic_type in ['direct', 'macvtap'],
@@ -492,7 +491,7 @@
         self._hotplug_server()
         self._check_network_internal_connectivity(network=self.new_net)
 
-    @test.idempotent_id('04b9fe4e-85e8-4aea-b937-ea93885ac59f')
+    @decorators.idempotent_id('04b9fe4e-85e8-4aea-b937-ea93885ac59f')
     @testtools.skipIf(CONF.network.shared_physical_network,
                       'Router state can be altered only with multitenant '
                       'networks capabilities')
@@ -524,7 +523,7 @@
             should_connect=True, msg="after updating "
             "admin_state_up of router to True")
 
-    @test.idempotent_id('d8bb918e-e2df-48b2-97cd-b73c95450980')
+    @decorators.idempotent_id('d8bb918e-e2df-48b2-97cd-b73c95450980')
     @testtools.skipIf(CONF.network.shared_physical_network,
                       'network isolation not available')
     @testtools.skipUnless(CONF.scenario.dhcp_client,
@@ -607,7 +606,7 @@
                         msg="DHCP renewal failed to fetch "
                             "new DNS nameservers")
 
-    @test.idempotent_id('f5dfcc22-45fd-409f-954c-5bd500d7890b')
+    @decorators.idempotent_id('f5dfcc22-45fd-409f-954c-5bd500d7890b')
     @testtools.skipUnless(CONF.network_feature_enabled.port_admin_state_change,
                           "Changing a port's admin state is not supported "
                           "by the test environment")
@@ -654,7 +653,7 @@
         self._check_remote_connectivity(ssh_client, dest=server_pip,
                                         should_succeed=True)
 
-    @test.idempotent_id('759462e1-8535-46b0-ab3a-33aa45c55aaa')
+    @decorators.idempotent_id('759462e1-8535-46b0-ab3a-33aa45c55aaa')
     @test.services('compute', 'network')
     def test_preserve_preexisting_port(self):
         """Test preserve pre-existing port
@@ -705,7 +704,7 @@
         self.assertEqual(port['id'], port_list[0]['id'])
 
     @test.requires_ext(service='network', extension='l3_agent_scheduler')
-    @test.idempotent_id('2e788c46-fb3f-4ac9-8f82-0561555bea73')
+    @decorators.idempotent_id('2e788c46-fb3f-4ac9-8f82-0561555bea73')
     @test.services('compute', 'network')
     def test_router_rescheduling(self):
         """Tests that router can be removed from agent and add to a new agent.
@@ -782,7 +781,7 @@
     @test.requires_ext(service='network', extension='port-security')
     @testtools.skipUnless(CONF.compute_feature_enabled.interface_attach,
                           'NIC hotplug not available')
-    @test.idempotent_id('7c0bb1a2-d053-49a4-98f9-ca1a1d849f63')
+    @decorators.idempotent_id('7c0bb1a2-d053-49a4-98f9-ca1a1d849f63')
     @test.services('compute', 'network')
     def test_port_security_macspoofing_port(self):
         """Tests port_security extension enforces mac spoofing
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index 7acf107..2d6ea75 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -16,10 +16,10 @@
 
 from tempest import config
 from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
-
 CONF = config.CONF
 
 
@@ -126,8 +126,7 @@
         srv = self.create_server(
             key_name=self.keypair['name'],
             security_groups=[{'name': self.sec_grp['name']}],
-            networks=[{'uuid': n['id']} for n in networks],
-            wait_until='ACTIVE')
+            networks=[{'uuid': n['id']} for n in networks])
         fip = self.create_floating_ip(thing=srv)
         ips = self.define_server_ips(srv=srv)
         ssh = self.get_remote_client(
@@ -211,48 +210,48 @@
         )
 
     @test.attr(type='slow')
-    @test.idempotent_id('2c92df61-29f0-4eaa-bee3-7c65bef62a43')
+    @decorators.idempotent_id('2c92df61-29f0-4eaa-bee3-7c65bef62a43')
     @test.services('compute', 'network')
     def test_slaac_from_os(self):
         self._prepare_and_test(address6_mode='slaac')
 
     @test.attr(type='slow')
-    @test.idempotent_id('d7e1f858-187c-45a6-89c9-bdafde619a9f')
+    @decorators.idempotent_id('d7e1f858-187c-45a6-89c9-bdafde619a9f')
     @test.services('compute', 'network')
     def test_dhcp6_stateless_from_os(self):
         self._prepare_and_test(address6_mode='dhcpv6-stateless')
 
     @test.attr(type='slow')
-    @test.idempotent_id('7ab23f41-833b-4a16-a7c9-5b42fe6d4123')
+    @decorators.idempotent_id('7ab23f41-833b-4a16-a7c9-5b42fe6d4123')
     @test.services('compute', 'network')
     def test_multi_prefix_dhcpv6_stateless(self):
         self._prepare_and_test(address6_mode='dhcpv6-stateless', n_subnets6=2)
 
     @test.attr(type='slow')
-    @test.idempotent_id('dec222b1-180c-4098-b8c5-cc1b8342d611')
+    @decorators.idempotent_id('dec222b1-180c-4098-b8c5-cc1b8342d611')
     @test.services('compute', 'network')
     def test_multi_prefix_slaac(self):
         self._prepare_and_test(address6_mode='slaac', n_subnets6=2)
 
     @test.attr(type='slow')
-    @test.idempotent_id('b6399d76-4438-4658-bcf5-0d6c8584fde2')
+    @decorators.idempotent_id('b6399d76-4438-4658-bcf5-0d6c8584fde2')
     @test.services('compute', 'network')
     def test_dualnet_slaac_from_os(self):
         self._prepare_and_test(address6_mode='slaac', dualnet=True)
 
     @test.attr(type='slow')
-    @test.idempotent_id('76f26acd-9688-42b4-bc3e-cd134c4cb09e')
+    @decorators.idempotent_id('76f26acd-9688-42b4-bc3e-cd134c4cb09e')
     @test.services('compute', 'network')
     def test_dualnet_dhcp6_stateless_from_os(self):
         self._prepare_and_test(address6_mode='dhcpv6-stateless', dualnet=True)
 
-    @test.idempotent_id('cf1c4425-766b-45b8-be35-e2959728eb00')
+    @decorators.idempotent_id('cf1c4425-766b-45b8-be35-e2959728eb00')
     @test.services('compute', 'network')
     def test_dualnet_multi_prefix_dhcpv6_stateless(self):
         self._prepare_and_test(address6_mode='dhcpv6-stateless', n_subnets6=2,
                                dualnet=True)
 
-    @test.idempotent_id('9178ad42-10e4-47e9-8987-e02b170cc5cd')
+    @decorators.idempotent_id('9178ad42-10e4-47e9-8987-e02b170cc5cd')
     @test.services('compute', 'network')
     def test_dualnet_multi_prefix_slaac(self):
         self._prepare_and_test(address6_mode='slaac', n_subnets6=2,
diff --git a/tempest/scenario/test_object_storage_basic_ops.py b/tempest/scenario/test_object_storage_basic_ops.py
index 1d2b2b6..c989e01 100644
--- a/tempest/scenario/test_object_storage_basic_ops.py
+++ b/tempest/scenario/test_object_storage_basic_ops.py
@@ -13,12 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
 
 class TestObjectStorageBasicOps(manager.ObjectStorageScenarioTest):
-    @test.idempotent_id('b920faf1-7b8a-4657-b9fe-9c4512bfb381')
+    @decorators.idempotent_id('b920faf1-7b8a-4657-b9fe-9c4512bfb381')
     @test.services('object_storage')
     def test_swift_basic_ops(self):
         """Test swift basic ops.
@@ -44,7 +45,7 @@
                                               not_present_obj=[obj_name])
         self.delete_container(container_name)
 
-    @test.idempotent_id('916c7111-cb1f-44b2-816d-8f760e4ea910')
+    @decorators.idempotent_id('916c7111-cb1f-44b2-816d-8f760e4ea910')
     @test.services('object_storage')
     def test_swift_acl_anonymous_download(self):
         """This test will cover below steps:
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index f8c5c0a..5565cb8 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -18,6 +18,7 @@
 from tempest.common.utils import data_utils
 from tempest.common.utils import net_info
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -240,9 +241,11 @@
         self.assertIn(tenant.router['id'], seen_router_ids)
 
         myport = (tenant.router['id'], tenant.subnet['id'])
-        router_ports = [(i['device_id'], i['fixed_ips'][0]['subnet_id']) for i
-                        in self._list_ports()
-                        if net_info.is_router_interface_port(i)]
+        router_ports = [
+            (i['device_id'], f['subnet_id'])
+            for i in self._list_ports(device_id=tenant.router['id'])
+            if net_info.is_router_interface_port(i)
+            for f in i['fixed_ips']]
 
         self.assertIn(myport, router_ports)
 
@@ -262,7 +265,6 @@
             networks=[{'uuid': tenant.network["id"]}],
             key_name=tenant.keypair['name'],
             security_groups=security_groups_names,
-            wait_until='ACTIVE',
             clients=tenant.manager,
             **kwargs)
         if 'security_groups' in server:
@@ -459,7 +461,7 @@
         subnet_id = tenant.subnet['id']
         self.assertIn((subnet_id, server_ip, mac_addr), port_detail_list)
 
-    @test.idempotent_id('e79f879e-debb-440c-a7e4-efeda05b6848')
+    @decorators.idempotent_id('e79f879e-debb-440c-a7e4-efeda05b6848')
     @test.services('compute', 'network')
     def test_cross_tenant_traffic(self):
         if not self.credentials_provider.is_multi_tenant():
@@ -480,7 +482,7 @@
                 self._log_console_output(servers=tenant.servers)
             raise
 
-    @test.idempotent_id('63163892-bbf6-4249-aa12-d5ea1f8f421b')
+    @decorators.idempotent_id('63163892-bbf6-4249-aa12-d5ea1f8f421b')
     @test.services('compute', 'network')
     def test_in_tenant_traffic(self):
         try:
@@ -494,7 +496,7 @@
                 self._log_console_output(servers=tenant.servers)
             raise
 
-    @test.idempotent_id('f4d556d7-1526-42ad-bafb-6bebf48568f6')
+    @decorators.idempotent_id('f4d556d7-1526-42ad-bafb-6bebf48568f6')
     @test.services('compute', 'network')
     def test_port_update_new_security_group(self):
         """Verifies the traffic after updating the vm port
@@ -547,7 +549,7 @@
                 self._log_console_output(servers=tenant.servers)
             raise
 
-    @test.idempotent_id('d2f77418-fcc4-439d-b935-72eca704e293')
+    @decorators.idempotent_id('d2f77418-fcc4-439d-b935-72eca704e293')
     @test.services('compute', 'network')
     def test_multiple_security_groups(self):
         """Verify multiple security groups and checks that rules
@@ -580,7 +582,7 @@
                                    should_connect=True)
 
     @test.requires_ext(service='network', extension='port-security')
-    @test.idempotent_id('7c811dcc-263b-49a3-92d2-1b4d8405f50c')
+    @decorators.idempotent_id('7c811dcc-263b-49a3-92d2-1b4d8405f50c')
     @test.services('compute', 'network')
     def test_port_security_disable_security_group(self):
         """Verify the default security group rules is disabled."""
@@ -619,7 +621,7 @@
             raise
 
     @test.requires_ext(service='network', extension='port-security')
-    @test.idempotent_id('13ccf253-e5ad-424b-9c4a-97b88a026699')
+    @decorators.idempotent_id('13ccf253-e5ad-424b-9c4a-97b88a026699')
     @testtools.skipUnless(
         CONF.compute_feature_enabled.allow_port_security_disabled,
         'Port security must be enabled.')
diff --git a/tempest/scenario/test_server_advanced_ops.py b/tempest/scenario/test_server_advanced_ops.py
index 504d72b..4d9e59c 100644
--- a/tempest/scenario/test_server_advanced_ops.py
+++ b/tempest/scenario/test_server_advanced_ops.py
@@ -18,6 +18,7 @@
 
 from tempest.common import waiters
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -47,13 +48,13 @@
         cls.set_network_resources()
         super(TestServerAdvancedOps, cls).setup_credentials()
 
-    @test.idempotent_id('e6c28180-7454-4b59-b188-0257af08a63b')
+    @decorators.idempotent_id('e6c28180-7454-4b59-b188-0257af08a63b')
     @testtools.skipUnless(CONF.compute_feature_enabled.resize,
                           'Resize is not available.')
     @test.services('compute', 'volume')
     def test_resize_volume_backed_server_confirm(self):
         # We create an instance for use in this test
-        instance = self.create_server(wait_until='ACTIVE', volume_backed=True)
+        instance = self.create_server(volume_backed=True)
         instance_id = instance['id']
         resize_flavor = CONF.compute.flavor_ref_alt
         LOG.debug("Resizing instance %s from flavor %s to flavor %s",
@@ -68,13 +69,13 @@
         waiters.wait_for_server_status(self.servers_client, instance_id,
                                        'ACTIVE')
 
-    @test.idempotent_id('949da7d5-72c8-4808-8802-e3d70df98e2c')
+    @decorators.idempotent_id('949da7d5-72c8-4808-8802-e3d70df98e2c')
     @testtools.skipUnless(CONF.compute_feature_enabled.suspend,
                           'Suspend is not available.')
     @test.services('compute')
     def test_server_sequence_suspend_resume(self):
         # We create an instance for use in this test
-        instance = self.create_server(wait_until='ACTIVE')
+        instance = self.create_server()
         instance_id = instance['id']
         LOG.debug("Suspending instance %s. Current status: %s",
                   instance_id, instance['status'])
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index 4a938f9..ddbaf5a 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -20,6 +20,7 @@
 from tempest import config
 from tempest.lib.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest.scenario import manager
 from tempest import test
@@ -44,8 +45,6 @@
 
     def setUp(self):
         super(TestServerBasicOps, self).setUp()
-        self.image_ref = CONF.compute.image_ref
-        self.flavor_ref = CONF.compute.flavor_ref
         self.run_ssh = CONF.validation.run_validation
         self.ssh_user = CONF.validation.image_ssh_user
 
@@ -124,7 +123,7 @@
             # TODO(clarkb) construct network_data from known network
             # instance info and do direct comparison.
 
-    @test.idempotent_id('7fff3fb3-91d8-4fd0-bd7d-0204f1f180ba')
+    @decorators.idempotent_id('7fff3fb3-91d8-4fd0-bd7d-0204f1f180ba')
     @test.attr(type='smoke')
     @test.services('compute', 'network')
     def test_server_basic_ops(self):
@@ -132,13 +131,10 @@
         security_group = self._create_security_group()
         self.md = {'meta1': 'data1', 'meta2': 'data2', 'metaN': 'dataN'}
         self.instance = self.create_server(
-            image_id=self.image_ref,
-            flavor=self.flavor_ref,
             key_name=keypair['name'],
             security_groups=[{'name': security_group['name']}],
             config_drive=CONF.compute_feature_enabled.config_drive,
-            metadata=self.md,
-            wait_until='ACTIVE')
+            metadata=self.md)
         self.verify_ssh(keypair)
         self.verify_metadata()
         self.verify_metadata_on_config_drive()
diff --git a/tempest/scenario/test_server_multinode.py b/tempest/scenario/test_server_multinode.py
index 170d220..db91a21 100644
--- a/tempest/scenario/test_server_multinode.py
+++ b/tempest/scenario/test_server_multinode.py
@@ -15,6 +15,7 @@
 
 
 from tempest import config
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest.scenario import manager
 from tempest import test
@@ -43,7 +44,7 @@
         # scheduler hint, which is admin_only by default
         cls.servers_client = cls.admin_manager.servers_client
 
-    @test.idempotent_id('9cecbe35-b9d4-48da-a37e-7ce70aa43d30')
+    @decorators.idempotent_id('9cecbe35-b9d4-48da-a37e-7ce70aa43d30')
     @test.attr(type='smoke')
     @test.services('compute', 'network')
     def test_schedule_to_all_nodes(self):
@@ -74,9 +75,10 @@
             # by getting to active state here, this means this has
             # landed on the host in question.
             inst = self.create_server(
-                availability_zone='%(zone)s:%(host_name)s' % host,
-                wait_until='ACTIVE')
+                availability_zone='%(zone)s:%(host_name)s' % host)
             server = self.servers_client.show_server(inst['id'])['server']
+            # ensure server is located on the requested host
+            self.assertEqual(host['host_name'], server['OS-EXT-SRV-ATTR:host'])
             servers.append(server)
 
         # make sure we really have the number of servers we think we should
diff --git a/tempest/scenario/test_shelve_instance.py b/tempest/scenario/test_shelve_instance.py
index 7f04b0d..75cef88 100644
--- a/tempest/scenario/test_shelve_instance.py
+++ b/tempest/scenario/test_shelve_instance.py
@@ -13,9 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest.common import compute
 from tempest.common import waiters
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -54,10 +57,8 @@
         security_groups = [{'name': security_group['name']}]
 
         server = self.create_server(
-            image_id=CONF.compute.image_ref,
             key_name=keypair['name'],
             security_groups=security_groups,
-            wait_until='ACTIVE',
             volume_backed=boot_from_volume)
 
         instance_ip = self.get_server_ip(server)
@@ -73,12 +74,16 @@
                                         private_key=keypair['private_key'])
         self.assertEqual(timestamp, timestamp2)
 
-    @test.idempotent_id('1164e700-0af0-4a4c-8792-35909a88743c')
+    @decorators.idempotent_id('1164e700-0af0-4a4c-8792-35909a88743c')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     @test.services('compute', 'network', 'image')
     def test_shelve_instance(self):
         self._create_server_then_shelve_and_unshelve()
 
-    @test.idempotent_id('c1b6318c-b9da-490b-9c67-9339b627271f')
+    @decorators.idempotent_id('c1b6318c-b9da-490b-9c67-9339b627271f')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     @test.services('compute', 'volume', 'network', 'image')
     def test_shelve_volume_backed_instance(self):
         self._create_server_then_shelve_and_unshelve(boot_from_volume=True)
diff --git a/tempest/scenario/test_snapshot_pattern.py b/tempest/scenario/test_snapshot_pattern.py
index 47c6e8d..6dedd1d 100644
--- a/tempest/scenario/test_snapshot_pattern.py
+++ b/tempest/scenario/test_snapshot_pattern.py
@@ -13,7 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -37,7 +40,9 @@
         if not CONF.compute_feature_enabled.snapshot:
             raise cls.skipException("Snapshotting is not available.")
 
-    @test.idempotent_id('608e604b-1d63-4a82-8e3e-91bc665c90b4')
+    @decorators.idempotent_id('608e604b-1d63-4a82-8e3e-91bc665c90b4')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     @test.services('compute', 'network', 'image')
     def test_snapshot_pattern(self):
         # prepare for booting an instance
@@ -46,10 +51,8 @@
 
         # boot an instance and create a timestamp file in it
         server = self.create_server(
-            image_id=CONF.compute.image_ref,
             key_name=keypair['name'],
-            security_groups=[{'name': security_group['name']}],
-            wait_until='ACTIVE')
+            security_groups=[{'name': security_group['name']}])
 
         instance_ip = self.get_server_ip(server)
         timestamp = self.create_timestamp(instance_ip,
@@ -62,8 +65,7 @@
         server_from_snapshot = self.create_server(
             image_id=snapshot_image['id'],
             key_name=keypair['name'],
-            security_groups=[{'name': security_group['name']}],
-            wait_until='ACTIVE')
+            security_groups=[{'name': security_group['name']}])
 
         # check the existence of the timestamp file in the second instance
         server_from_snapshot_ip = self.get_server_ip(server_from_snapshot)
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index b10be11..8661217 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import time
-
 from oslo_log import log as logging
 import testtools
 
@@ -63,21 +61,17 @@
         snapshot_name = data_utils.rand_name('scenario-snapshot')
         snapshot = self.snapshots_client.create_snapshot(
             volume_id=volume['id'], display_name=snapshot_name)['snapshot']
-
-        def cleaner():
-            self.snapshots_client.delete_snapshot(snapshot['id'])
-            try:
-                while self.snapshots_client.show_snapshot(
-                        snapshot['id'])['snapshot']:
-                    time.sleep(1)
-            except lib_exc.NotFound:
-                pass
-        self.addCleanup(cleaner)
+        self.addCleanup(self.snapshots_client.wait_for_resource_deletion,
+                        snapshot['id'])
+        self.addCleanup(self.snapshots_client.delete_snapshot, snapshot['id'])
         waiters.wait_for_volume_status(self.volumes_client,
                                        volume['id'], 'available')
         waiters.wait_for_snapshot_status(self.snapshots_client,
                                          snapshot['id'], 'available')
-        self.assertEqual(snapshot_name, snapshot['display_name'])
+        if 'display_name' in snapshot:
+            self.assertEqual(snapshot_name, snapshot['display_name'])
+        else:
+            self.assertEqual(snapshot_name, snapshot['name'])
         return snapshot
 
     def _wait_for_volume_available_on_the_system(self, ip_address,
@@ -94,10 +88,11 @@
                                           CONF.compute.build_interval):
             raise lib_exc.TimeoutException
 
-    @decorators.skip_because(bug="1205344")
-    @test.idempotent_id('10fd234a-515c-41e5-b092-8323060598c5')
+    @decorators.idempotent_id('10fd234a-515c-41e5-b092-8323060598c5')
     @testtools.skipUnless(CONF.compute_feature_enabled.snapshot,
                           'Snapshotting is not available.')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     @test.services('compute', 'network', 'volume', 'image')
     def test_stamp_pattern(self):
         # prepare for booting an instance
@@ -107,10 +102,8 @@
         # boot an instance and create a timestamp file in it
         volume = self.create_volume()
         server = self.create_server(
-            image_id=CONF.compute.image_ref,
             key_name=keypair['name'],
-            security_groups=security_group,
-            wait_until='ACTIVE')
+            security_groups=[{'name': security_group['name']}])
 
         # create and add floating IP to server1
         ip_for_server = self.get_server_ip(server)
@@ -137,7 +130,7 @@
         server_from_snapshot = self.create_server(
             image_id=snapshot_image['id'],
             key_name=keypair['name'],
-            security_groups=security_group)
+            security_groups=[{'name': security_group['name']}])
 
         # create and add floating IP to server_from_snapshot
         ip_for_snapshot = self.get_server_ip(server_from_snapshot)
diff --git a/tempest/scenario/test_volume_boot_pattern.py b/tempest/scenario/test_volume_boot_pattern.py
index 9486b96..43dcf96 100644
--- a/tempest/scenario/test_volume_boot_pattern.py
+++ b/tempest/scenario/test_volume_boot_pattern.py
@@ -11,10 +11,12 @@
 #    under the License.
 
 from oslo_log import log as logging
+import testtools
 
 from tempest.common.utils import data_utils
 from tempest.common import waiters
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -68,10 +70,7 @@
             source_type,
             delete_on_termination=delete_on_termination))
 
-        return self.create_server(
-            image_id='',
-            wait_until='ACTIVE',
-            **create_kwargs)
+        return self.create_server(image_id='', **create_kwargs)
 
     def _create_snapshot_from_volume(self, vol_id):
         snap_name = data_utils.rand_name(
@@ -98,8 +97,10 @@
         self.servers_client.delete_server(server['id'])
         waiters.wait_for_server_termination(self.servers_client, server['id'])
 
-    @test.idempotent_id('557cd2c2-4eb8-4dce-98be-f86765ff311b')
+    @decorators.idempotent_id('557cd2c2-4eb8-4dce-98be-f86765ff311b')
     @test.attr(type='smoke')
+    @testtools.skipUnless(CONF.network.public_network_id,
+                          'The public_network_id option must be specified.')
     @test.services('compute', 'volume', 'image')
     def test_volume_boot_pattern(self):
 
@@ -178,7 +179,7 @@
                                         private_key=keypair['private_key'])
         self.assertEqual(timestamp, timestamp3)
 
-    @test.idempotent_id('05795fb2-b2a7-4c9f-8fac-ff25aedb1489')
+    @decorators.idempotent_id('05795fb2-b2a7-4c9f-8fac-ff25aedb1489')
     @test.services('compute', 'image', 'volume')
     def test_create_server_from_volume_snapshot(self):
         # Create a volume from an image
@@ -198,6 +199,8 @@
         # The created volume when creating a server from a snapshot
         created_volume = server_info['os-extended-volumes:volumes_attached']
 
+        self.assertNotEmpty(created_volume, "No volume attachment found.")
+
         created_volume_info = self.volumes_client.show_volume(
             created_volume[0]['id'])['volume']
 
@@ -212,7 +215,7 @@
         self.assertEqual(created_volume[0]['id'],
                          created_volume_info['attachments'][0]['volume_id'])
 
-    @test.idempotent_id('36c34c67-7b54-4b59-b188-02a2f458a63b')
+    @decorators.idempotent_id('36c34c67-7b54-4b59-b188-02a2f458a63b')
     @test.services('compute', 'volume', 'image')
     def test_create_ebs_image_and_check_boot(self):
         # create an instance from volume
@@ -228,8 +231,7 @@
         self._delete_server(instance)
 
         # boot instance from EBS image
-        instance = self.create_server(
-            image_id=image['id'])
+        instance = self.create_server(image_id=image['id'])
         # just ensure that instance booted
 
         # delete instance
diff --git a/tempest/scenario/test_volume_migrate_attached.py b/tempest/scenario/test_volume_migrate_attached.py
index dfda18d..891e22d 100644
--- a/tempest/scenario/test_volume_migrate_attached.py
+++ b/tempest/scenario/test_volume_migrate_attached.py
@@ -14,6 +14,7 @@
 
 from tempest.common import waiters
 from tempest import config
+from tempest.lib import decorators
 from tempest.scenario import manager
 from tempest import test
 
@@ -61,7 +62,7 @@
         block_device_mapping = [{'device_name': 'vda', 'volume_id': vol_id,
                                  'delete_on_termination': False}]
 
-        return self.create_server(image_id='', wait_until='ACTIVE',
+        return self.create_server(image_id='',
                                   key_name=key_name,
                                   security_groups=security_groups,
                                   block_device_mapping=block_device_mapping)
@@ -90,7 +91,7 @@
         waiters.wait_for_volume_retype(self.volumes_client,
                                        volume_id, new_volume_type)
 
-    @test.idempotent_id('deadd2c2-beef-4dce-98be-f86765ff311b')
+    @decorators.idempotent_id('deadd2c2-beef-4dce-98be-f86765ff311b')
     @test.services('compute', 'volume')
     def test_volume_migrate_attached(self):
         LOG.info("Creating keypair and security group")
diff --git a/tempest/services/object_storage/account_client.py b/tempest/services/object_storage/account_client.py
index 9932b4a..4859e75 100644
--- a/tempest/services/object_storage/account_client.py
+++ b/tempest/services/object_storage/account_client.py
@@ -128,6 +128,13 @@
             than the specified marker.
             DEFAULT: No Marker
 
+        prefix=[string value Y]
+            Given string value Y, return object names starting with that prefix
+
+        reverse=[boolean value Z]
+            Reverse the result order based on the boolean value Z
+            DEFAULT: False
+
         format=[string value, either 'json' or 'xml']
             Specify either json or xml to return the respective serialized
             response.
diff --git a/tempest/test.py b/tempest/test.py
index 039afa1..06de520 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -39,7 +39,11 @@
 
 CONF = config.CONF
 
-idempotent_id = decorators.idempotent_id
+# TODO(oomichi): This test.idempotent_id should be removed after all projects
+# switch to use decorators.idempotent_id.
+idempotent_id = debtcollector.moves.moved_function(
+    decorators.idempotent_id, 'idempotent_id', __name__,
+    version='Mitaka', removal_version='?')
 
 
 def attr(**kwargs):
diff --git a/tempest/tests/api/__init__.py b/tempest/tests/api/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/tests/api/__init__.py
diff --git a/tempest/tests/api/compute/__init__.py b/tempest/tests/api/compute/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/tests/api/compute/__init__.py
diff --git a/tempest/tests/api/compute/test_base.py b/tempest/tests/api/compute/test_base.py
new file mode 100644
index 0000000..a1da343
--- /dev/null
+++ b/tempest/tests/api/compute/test_base.py
@@ -0,0 +1,140 @@
+# Copyright 2017 IBM Corp.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import mock
+
+from oslo_utils import uuidutils
+import six
+
+from tempest.api.compute import base as compute_base
+from tempest.common import waiters
+from tempest import exceptions
+from tempest.lib import exceptions as lib_exc
+from tempest.tests import base
+
+
+class TestBaseV2ComputeTest(base.TestCase):
+    """Unit tests for utility functions in BaseV2ComputeTest."""
+
+    @mock.patch.multiple(compute_base.BaseV2ComputeTest,
+                         compute_images_client=mock.DEFAULT,
+                         images=[], create=True)
+    def test_create_image_from_server_no_wait(self, compute_images_client):
+        """Tests create_image_from_server without the wait_until kwarg."""
+        # setup mocks
+        image_id = uuidutils.generate_uuid()
+        fake_image = mock.Mock(response={'location': image_id})
+        compute_images_client.create_image.return_value = fake_image
+        # call the utility method
+        image = compute_base.BaseV2ComputeTest.create_image_from_server(
+            mock.sentinel.server_id, name='fake-snapshot-name')
+        self.assertEqual(fake_image, image)
+        # make our assertions
+        compute_images_client.create_image.assert_called_once_with(
+            mock.sentinel.server_id, name='fake-snapshot-name')
+        self.assertEqual(1, len(compute_base.BaseV2ComputeTest.images))
+        self.assertEqual(image_id, compute_base.BaseV2ComputeTest.images[0])
+
+    @mock.patch.multiple(compute_base.BaseV2ComputeTest,
+                         compute_images_client=mock.DEFAULT,
+                         images=[], create=True)
+    @mock.patch.object(waiters, 'wait_for_image_status')
+    def test_create_image_from_server_wait_until_active(self,
+                                                        wait_for_image_status,
+                                                        compute_images_client):
+        """Tests create_image_from_server with wait_until='ACTIVE' kwarg."""
+        # setup mocks
+        image_id = uuidutils.generate_uuid()
+        fake_image = mock.Mock(response={'location': image_id})
+        compute_images_client.create_image.return_value = fake_image
+        compute_images_client.show_image.return_value = (
+            {'image': fake_image})
+        # call the utility method
+        image = compute_base.BaseV2ComputeTest.create_image_from_server(
+            mock.sentinel.server_id, wait_until='ACTIVE')
+        self.assertEqual(fake_image, image)
+        # make our assertions
+        wait_for_image_status.assert_called_once_with(
+            compute_images_client, image_id, 'ACTIVE')
+        compute_images_client.show_image.assert_called_once_with(image_id)
+
+    @mock.patch.multiple(compute_base.BaseV2ComputeTest,
+                         compute_images_client=mock.DEFAULT,
+                         servers_client=mock.DEFAULT,
+                         images=[], create=True)
+    @mock.patch.object(waiters, 'wait_for_image_status',
+                       side_effect=lib_exc.NotFound)
+    def _test_create_image_from_server_wait_until_active_not_found(
+            self, wait_for_image_status, compute_images_client,
+            servers_client, fault=None):
+        # setup mocks
+        image_id = uuidutils.generate_uuid()
+        fake_image = mock.Mock(response={'location': image_id})
+        compute_images_client.create_image.return_value = fake_image
+        fake_server = {'id': mock.sentinel.server_id}
+        if fault:
+            fake_server['fault'] = fault
+        servers_client.show_server.return_value = {'server': fake_server}
+        # call the utility method
+        ex = self.assertRaises(
+            exceptions.SnapshotNotFoundException,
+            compute_base.BaseV2ComputeTest.create_image_from_server,
+            mock.sentinel.server_id, wait_until='active')
+        # make our assertions
+        if fault:
+            self.assertIn(fault, six.text_type(ex))
+        else:
+            self.assertNotIn(fault, six.text_type(ex))
+        wait_for_image_status.assert_called_once_with(
+            compute_images_client, image_id, 'active')
+        servers_client.show_server.assert_called_once_with(
+            mock.sentinel.server_id)
+
+    def test_create_image_from_server_wait_until_active_not_found_no_fault(
+            self):
+        # Tests create_image_from_server with wait_until='active' kwarg and
+        # the a 404 is raised while waiting for the image status to change. In
+        # this test the server does not have a fault associated with it.
+        self._test_create_image_from_server_wait_until_active_not_found()
+
+    def test_create_image_from_server_wait_until_active_not_found_with_fault(
+            self):
+        # Tests create_image_from_server with wait_until='active' kwarg and
+        # the a 404 is raised while waiting for the image status to change. In
+        # this test the server has a fault associated with it.
+        self._test_create_image_from_server_wait_until_active_not_found(
+            fault='Lost connection to hypervisor!')
+
+    @mock.patch.multiple(compute_base.BaseV2ComputeTest,
+                         compute_images_client=mock.DEFAULT,
+                         images=[], create=True)
+    @mock.patch.object(waiters, 'wait_for_image_status',
+                       side_effect=lib_exc.NotFound)
+    def test_create_image_from_server_wait_until_saving_not_found(
+            self, wait_for_image_status, compute_images_client):
+        # Tests create_image_from_server with wait_until='SAVING' kwarg and
+        # the a 404 is raised while waiting for the image status to change. In
+        # this case we do not get the server details and just re-raise the 404.
+        # setup mocks
+        image_id = uuidutils.generate_uuid()
+        fake_image = mock.Mock(response={'location': image_id})
+        compute_images_client.create_image.return_value = fake_image
+        # call the utility method
+        self.assertRaises(
+            lib_exc.NotFound,
+            compute_base.BaseV2ComputeTest.create_image_from_server,
+            mock.sentinel.server_id, wait_until='SAVING')
+        # make our assertions
+        wait_for_image_status.assert_called_once_with(
+            compute_images_client, image_id, 'SAVING')
diff --git a/tempest/tests/common/test_preprov_creds.py b/tempest/tests/common/test_preprov_creds.py
index 1c9982c..2fd375d 100644
--- a/tempest/tests/common/test_preprov_creds.py
+++ b/tempest/tests/common/test_preprov_creds.py
@@ -14,14 +14,15 @@
 
 import hashlib
 import os
-import testtools
+import shutil
 
 import mock
+import six
+import testtools
+
 from oslo_concurrency.fixture import lockutils as lockutils_fixtures
 from oslo_config import cfg
 from oslotest import mockpatch
-import shutil
-import six
 
 from tempest.common import preprov_creds
 from tempest import config
diff --git a/tempest/tests/common/utils/linux/test_remote_client.py b/tempest/tests/common/utils/linux/test_remote_client.py
index e4f4c04..5be6229 100644
--- a/tempest/tests/common/utils/linux/test_remote_client.py
+++ b/tempest/tests/common/utils/linux/test_remote_client.py
@@ -12,9 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import fixtures
 import time
 
+import fixtures
 from oslo_config import cfg
 from oslotest import mockpatch
 
diff --git a/tempest/tests/lib/cli/test_execute.py b/tempest/tests/lib/cli/test_execute.py
index aaeb6f4..0130454 100644
--- a/tempest/tests/lib/cli/test_execute.py
+++ b/tempest/tests/lib/cli/test_execute.py
@@ -11,9 +11,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import mock
 import subprocess
 
+import mock
+
 from tempest.lib.cli import base as cli_base
 from tempest.lib import exceptions
 from tempest.tests import base
diff --git a/tempest/tests/lib/services/compute/test_versions_client.py b/tempest/tests/lib/services/compute/test_versions_client.py
index 06ecdc3..255a0a3 100644
--- a/tempest/tests/lib/services/compute/test_versions_client.py
+++ b/tempest/tests/lib/services/compute/test_versions_client.py
@@ -13,6 +13,7 @@
 #    under the License.
 
 import copy
+
 from oslotest import mockpatch
 
 from tempest.lib.services.compute import versions_client
diff --git a/tempest/tests/lib/services/identity/v3/test_roles_client.py b/tempest/tests/lib/services/identity/v3/test_roles_client.py
index 4f70b47..41cea85 100644
--- a/tempest/tests/lib/services/identity/v3/test_roles_client.py
+++ b/tempest/tests/lib/services/identity/v3/test_roles_client.py
@@ -52,6 +52,65 @@
 
     FAKE_LIST_ROLES = {"roles": [FAKE_ROLE_INFO, FAKE_ROLE_INFO_2]}
 
+    FAKE_ROLE_INFERENCE_RULE = {
+        "role_inference": {
+            "prior_role": {
+                "id": FAKE_ROLE_ID,
+                "name": FAKE_ROLE_NAME,
+                "links": {
+                    "self": "http://example.com/identity/v3/roles/%s" % (
+                        FAKE_ROLE_ID)
+                }
+            },
+            "implies": {
+                "id": FAKE_ROLE_ID_2,
+                "name": FAKE_ROLE_NAME_2,
+                "links": {
+                    "self": "http://example.com/identity/v3/roles/%s" % (
+                        FAKE_ROLE_ID_2)
+                }
+            }
+        },
+        "links": {
+            "self": "http://example.com/identity/v3/roles/"
+                    "%s/implies/%s" % (FAKE_ROLE_ID, FAKE_ROLE_ID_2)
+        }
+    }
+
+    FAKE_LIST_ROLE_INFERENCES_RULES = {
+        "role_inference": {
+            "prior_role": {
+                "id": FAKE_ROLE_ID,
+                "name": FAKE_ROLE_NAME,
+                "links": {
+                    "self": "http://example.com/identity/v3/roles/%s" % (
+                        FAKE_ROLE_ID)
+                }
+            },
+            "implies": [
+                {
+                    "id": FAKE_ROLE_ID_2,
+                    "name": FAKE_ROLE_NAME_2,
+                    "links": {
+                        "self": "http://example.com/identity/v3/roles/%s" % (
+                            FAKE_ROLE_ID_2)
+                    }
+                },
+                {
+                    "id": "3",
+                    "name": "test3",
+                    "links": {
+                        "self": "http://example.com/identity/v3/roles/3"
+                    }
+                }
+            ]
+        },
+        "links": {
+            "self": "http://example.com/identity/v3/roles/"
+                    "%s/implies" % FAKE_ROLE_ID
+        }
+    }
+
     def setUp(self):
         super(TestRolesClient, self).setUp()
         fake_auth = fake_auth_provider.FakeAuthProvider()
@@ -172,6 +231,33 @@
             domain_id="b344506af7644f6794d9cb316600b020",
             group_id="123")
 
+    def _test_create_role_inference_rule(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_role_inference_rule,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_ROLE_INFERENCE_RULE,
+            bytes_body,
+            status=201,
+            prior_role=self.FAKE_ROLE_ID,
+            implies_role=self.FAKE_ROLE_ID_2)
+
+    def _test_show_role_inference_rule(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_role_inference_rule,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_ROLE_INFERENCE_RULE,
+            bytes_body,
+            prior_role=self.FAKE_ROLE_ID,
+            implies_role=self.FAKE_ROLE_ID_2)
+
+    def _test_list_role_inferences_rules(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_role_inferences_rules,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_ROLE_INFERENCES_RULES,
+            bytes_body,
+            prior_role=self.FAKE_ROLE_ID)
+
     def test_create_role_with_str_body(self):
         self._test_create_role()
 
@@ -319,3 +405,39 @@
             group_id="123",
             role_id="1234",
             status=204)
+
+    def test_create_role_inference_rule_with_str_body(self):
+        self._test_create_role_inference_rule()
+
+    def test_create_role_inference_rule_with_bytes_body(self):
+        self._test_create_role_inference_rule(bytes_body=True)
+
+    def test_show_role_inference_rule_with_str_body(self):
+        self._test_show_role_inference_rule()
+
+    def test_show_role_inference_rule_with_bytes_body(self):
+        self._test_show_role_inference_rule(bytes_body=True)
+
+    def test_list_role_inferences_rules_with_str_body(self):
+        self._test_list_role_inferences_rules()
+
+    def test_list_role_inferences_rules_with_bytes_body(self):
+        self._test_list_role_inferences_rules(bytes_body=True)
+
+    def test_check_role_inference_rule(self):
+        self.check_service_client_function(
+            self.client.check_role_inference_rule,
+            'tempest.lib.common.rest_client.RestClient.head',
+            {},
+            status=204,
+            prior_role=self.FAKE_ROLE_ID,
+            implies_role=self.FAKE_ROLE_ID_2)
+
+    def test_delete_role_inference_rule(self):
+        self.check_service_client_function(
+            self.client.delete_role_inference_rule,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            status=204,
+            prior_role=self.FAKE_ROLE_ID,
+            implies_role=self.FAKE_ROLE_ID_2)
diff --git a/tempest/tests/lib/services/test_clients.py b/tempest/tests/lib/services/test_clients.py
index 5db932c..a3b390e 100644
--- a/tempest/tests/lib/services/test_clients.py
+++ b/tempest/tests/lib/services/test_clients.py
@@ -12,10 +12,11 @@
 # License for the specific language governing permissions and limitations under
 # the License.
 
+import types
+
 import fixtures
 import mock
 import testtools
-import types
 
 from tempest.lib import auth
 from tempest.lib import exceptions
diff --git a/tempest/tests/lib/test_auth.py b/tempest/tests/lib/test_auth.py
index 2f975d2..ac13a13 100644
--- a/tempest/tests/lib/test_auth.py
+++ b/tempest/tests/lib/test_auth.py
@@ -15,9 +15,9 @@
 
 import copy
 import datetime
-import testtools
 
 from oslotest import mockpatch
+import testtools
 
 from tempest.lib import auth
 from tempest.lib import exceptions
diff --git a/tempest/tests/lib/test_rest_client.py b/tempest/tests/lib/test_rest_client.py
index e6cf047..4a83631 100644
--- a/tempest/tests/lib/test_rest_client.py
+++ b/tempest/tests/lib/test_rest_client.py
@@ -337,6 +337,10 @@
     def test_response_410(self):
         self._test_error_checker(exceptions.Gone, self.set_data("410"))
 
+    def test_response_412(self):
+        self._test_error_checker(exceptions.PreconditionFailed,
+                                 self.set_data("412"))
+
     def test_response_413(self):
         self._test_error_checker(exceptions.OverLimit, self.set_data("413"))
 
@@ -460,7 +464,7 @@
 
     def test_response_bigger_than_400(self):
         # Any response code, that bigger than 400, and not in
-        # (401, 403, 404, 409, 413, 422, 500, 501)
+        # (401, 403, 404, 409, 412, 413, 422, 500, 501)
         self._test_error_checker(exceptions.UnexpectedResponseCode,
                                  self.set_data("402"))
 
diff --git a/tempest/tests/test_decorators.py b/tempest/tests/test_decorators.py
index ae2f2a3..a069a81 100644
--- a/tempest/tests/test_decorators.py
+++ b/tempest/tests/test_decorators.py
@@ -199,96 +199,3 @@
                           self._test_requires_ext_helper,
                           extension='enabled_ext',
                           service='bad_service')
-
-
-class TestConfigDecorators(BaseDecoratorsTest):
-    def setUp(self):
-        super(TestConfigDecorators, self).setUp()
-        cfg.CONF.set_default('nova', True, 'service_available')
-        cfg.CONF.set_default('glance', False, 'service_available')
-
-    def _assert_skip_message(self, func, skip_msg):
-        try:
-            func()
-            self.fail()
-        except testtools.TestCase.skipException as skip_exc:
-            self.assertEqual(skip_exc.args[0], skip_msg)
-
-    def _test_skip_unless_config(self, expected_to_skip=True, *decorator_args):
-
-        class TestFoo(test.BaseTestCase):
-            @config.skip_unless_config(*decorator_args)
-            def test_bar(self):
-                return 0
-
-        t = TestFoo('test_bar')
-        if expected_to_skip:
-            self.assertRaises(testtools.TestCase.skipException, t.test_bar)
-            if (len(decorator_args) >= 3):
-                # decorator_args[2]: skip message specified
-                self._assert_skip_message(t.test_bar, decorator_args[2])
-        else:
-            try:
-                self.assertEqual(t.test_bar(), 0)
-            except testtools.TestCase.skipException:
-                # We caught a skipException but we didn't expect to skip
-                # this test so raise a hard test failure instead.
-                raise testtools.TestCase.failureException(
-                    "Not supposed to skip")
-
-    def _test_skip_if_config(self, expected_to_skip=True,
-                             *decorator_args):
-
-        class TestFoo(test.BaseTestCase):
-            @config.skip_if_config(*decorator_args)
-            def test_bar(self):
-                return 0
-
-        t = TestFoo('test_bar')
-        if expected_to_skip:
-            self.assertRaises(testtools.TestCase.skipException, t.test_bar)
-            if (len(decorator_args) >= 3):
-                # decorator_args[2]: skip message specified
-                self._assert_skip_message(t.test_bar, decorator_args[2])
-        else:
-            try:
-                self.assertEqual(t.test_bar(), 0)
-            except testtools.TestCase.skipException:
-                # We caught a skipException but we didn't expect to skip
-                # this test so raise a hard test failure instead.
-                raise testtools.TestCase.failureException(
-                    "Not supposed to skip")
-
-    def test_skip_unless_no_group(self):
-        self._test_skip_unless_config(True, 'fake_group', 'an_option')
-
-    def test_skip_unless_no_option(self):
-        self._test_skip_unless_config(True, 'service_available',
-                                      'not_an_option')
-
-    def test_skip_unless_false_option(self):
-        self._test_skip_unless_config(True, 'service_available', 'glance')
-
-    def test_skip_unless_false_option_msg(self):
-        self._test_skip_unless_config(True, 'service_available', 'glance',
-                                      'skip message')
-
-    def test_skip_unless_true_option(self):
-        self._test_skip_unless_config(False,
-                                      'service_available', 'nova')
-
-    def test_skip_if_no_group(self):
-        self._test_skip_if_config(False, 'fake_group', 'an_option')
-
-    def test_skip_if_no_option(self):
-        self._test_skip_if_config(False, 'service_available', 'not_an_option')
-
-    def test_skip_if_false_option(self):
-        self._test_skip_if_config(False, 'service_available', 'glance')
-
-    def test_skip_if_true_option(self):
-        self._test_skip_if_config(True, 'service_available', 'nova')
-
-    def test_skip_if_true_option_msg(self):
-        self._test_skip_if_config(True, 'service_available', 'nova',
-                                  'skip message')
diff --git a/tempest/tests/test_list_tests.py b/tempest/tests/test_list_tests.py
index 38d4c5c..a238879 100644
--- a/tempest/tests/test_list_tests.py
+++ b/tempest/tests/test_list_tests.py
@@ -14,9 +14,10 @@
 
 import os
 import re
-import six
 import subprocess
 
+import six
+
 from tempest.tests import base
 
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 475fb16..f7d63a8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,3 +9,4 @@
 mock>=2.0 # BSD
 coverage>=4.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
+flake8-import-order==0.11 # LGPLv3
diff --git a/tools/check_logs.py b/tools/check_logs.py
index caad85c..f82b387 100755
--- a/tools/check_logs.py
+++ b/tools/check_logs.py
@@ -19,10 +19,10 @@
 import gzip
 import os
 import re
-import six
-import six.moves.urllib.request as urlreq
 import sys
 
+import six
+import six.moves.urllib.request as urlreq
 import yaml
 
 
diff --git a/tools/find_stack_traces.py b/tools/find_stack_traces.py
index f2da27a..2ba8b16 100755
--- a/tools/find_stack_traces.py
+++ b/tools/find_stack_traces.py
@@ -18,9 +18,10 @@
 import gzip
 import pprint
 import re
+import sys
+
 import six
 import six.moves.urllib.request as urlreq
-import sys
 
 
 pp = pprint.PrettyPrinter()
diff --git a/tools/generate-tempest-plugins-list.py b/tools/generate-tempest-plugins-list.py
index 03e838e..acb29af 100644
--- a/tools/generate-tempest-plugins-list.py
+++ b/tools/generate-tempest-plugins-list.py
@@ -25,6 +25,7 @@
 
 import json
 import re
+
 import requests
 
 url = 'https://review.openstack.org/projects/'
diff --git a/tox.ini b/tox.ini
index 46823d8..d8d390e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -147,6 +147,7 @@
 show-source = True
 exclude = .git,.venv,.tox,dist,doc,*egg
 enable-extensions = H106,H203,H904
+import-order-style = pep8
 
 [testenv:releasenotes]
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html