diff --git a/doc/source/microversion_testing.rst b/doc/source/microversion_testing.rst
index 5263fdd..bff18f8 100644
--- a/doc/source/microversion_testing.rst
+++ b/doc/source/microversion_testing.rst
@@ -221,3 +221,7 @@
  * `2.25`_
 
  .. _2.25: http://docs.openstack.org/developer/nova/api_microversion_history.html#maximum-in-mitaka
+
+ * `2.37`_
+
+ .. _2.37: http://docs.openstack.org/developer/nova/api_microversion_history.html#id34
diff --git a/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml b/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml
index 6a4fc2b..cf504ad 100644
--- a/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml
+++ b/releasenotes/notes/volume-clients-as-library-9a3444dd63c134b3.yaml
@@ -12,5 +12,7 @@
       * extensions_client(v2)
       * hosts_client(v1)
       * hosts_client(v2)
+      * quotas_client(v1)
+      * quotas_client(v2)
       * services_client(v1)
       * services_client(v2)
diff --git a/tempest/api/compute/admin/test_auto_allocate_network.py b/tempest/api/compute/admin/test_auto_allocate_network.py
new file mode 100644
index 0000000..052c17d
--- /dev/null
+++ b/tempest/api/compute/admin/test_auto_allocate_network.py
@@ -0,0 +1,205 @@
+# Copyright 2016 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.
+
+from oslo_log import log
+
+from tempest.api.compute import base
+from tempest.common import compute
+from tempest.common import waiters
+from tempest import config
+from tempest import exceptions
+from tempest.lib.common.utils import test_utils
+from tempest import test
+
+CONF = config.CONF
+LOG = log.getLogger(__name__)
+
+
+# NOTE(mriedem): This is in the admin directory only because it requires
+# force_tenant_isolation=True, but doesn't extend BaseV2ComputeAdminTest
+# because it doesn't actually use any admin credentials in the tests.
+class AutoAllocateNetworkTest(base.BaseV2ComputeTest):
+    """Tests auto-allocating networks with the v2.37 microversion.
+
+    These tests rely on Neutron being enabled. Also, the tenant must not have
+    any network resources available to it so we can make sure that Nova
+    calls to Neutron to automatically allocate the network topology.
+    """
+
+    force_tenant_isolation = True
+
+    min_microversion = '2.37'
+    max_microversion = 'latest'
+
+    @classmethod
+    def skip_checks(cls):
+        super(AutoAllocateNetworkTest, cls).skip_checks()
+        if not CONF.service_available.neutron:
+            raise cls.skipException('Neutron is required')
+        if not test.is_extension_enabled('auto-allocated-topology', 'network'):
+            raise cls.skipException(
+                'auto-allocated-topology extension is not available')
+
+    @classmethod
+    def setup_credentials(cls):
+        # Do not create network resources for these tests.
+        cls.set_network_resources()
+        super(AutoAllocateNetworkTest, cls).setup_credentials()
+
+    @classmethod
+    def setup_clients(cls):
+        super(AutoAllocateNetworkTest, cls).setup_clients()
+        cls.servers_client = cls.servers_client
+        cls.networks_client = cls.os.networks_client
+        cls.routers_client = cls.os.routers_client
+        cls.subnets_client = cls.os.subnets_client
+        cls.ports_client = cls.os.ports_client
+
+    @classmethod
+    def resource_setup(cls):
+        super(AutoAllocateNetworkTest, cls).resource_setup()
+        # Sanity check that there are no networks available to the tenant.
+        # This is essentially what Nova does for getting available networks.
+        tenant_id = cls.networks_client.tenant_id
+        # (1) Retrieve non-public network list owned by the tenant.
+        search_opts = {'tenant_id': tenant_id, 'shared': False}
+        nets = cls.networks_client.list_networks(
+            **search_opts).get('networks', [])
+        if nets:
+            raise exceptions.TempestException(
+                'Found tenant networks: %s' % nets)
+        # (2) Retrieve shared network list.
+        search_opts = {'shared': True}
+        nets = cls.networks_client.list_networks(
+            **search_opts).get('networks', [])
+        if nets:
+            raise exceptions.TempestException(
+                'Found shared networks: %s' % nets)
+
+    @classmethod
+    def resource_cleanup(cls):
+        """Deletes any auto_allocated_network and it's associated resources."""
+
+        # Find the auto-allocated router for the tenant.
+        # This is a bit hacky since we don't have a great way to find the
+        # auto-allocated router given the private tenant network we have.
+        routers = cls.routers_client.list_routers().get('routers', [])
+        if len(routers) > 1:
+            # This indicates a race where nova is concurrently calling the
+            # neutron auto-allocated-topology API for multiple server builds
+            # at the same time (it's called from nova-compute when setting up
+            # networking for a server). Neutron will detect duplicates and
+            # automatically clean them up, but there is a window where the API
+            # can return multiple and we don't have a good way to filter those
+            # out right now, so we'll just handle them.
+            LOG.info('(%s) Found more than one router for tenant.',
+                     test_utils.find_test_caller())
+
+        # Let's just blindly remove any networks, duplicate or otherwise, that
+        # the test might have created even though Neutron will cleanup
+        # duplicate resources automatically (so ignore 404s).
+        networks = cls.networks_client.list_networks().get('networks', [])
+
+        for router in routers:
+            # Disassociate the subnets from the router. Because of the race
+            # mentioned above the subnets might not be associated with the
+            # router so ignore any 404.
+            for network in networks:
+                for subnet_id in network['subnets']:
+                    test_utils.call_and_ignore_notfound_exc(
+                        cls.routers_client.remove_router_interface,
+                        router['id'], subnet_id=subnet_id)
+
+            # Delete the router.
+            cls.routers_client.delete_router(router['id'])
+
+        for network in networks:
+            # Get and delete the ports for the given network.
+            ports = cls.ports_client.list_ports(
+                network_id=network['id']).get('ports', [])
+            for port in ports:
+                test_utils.call_and_ignore_notfound_exc(
+                    cls.ports_client.delete_port, port['id'])
+
+            # Delete the subnets.
+            for subnet_id in network['subnets']:
+                test_utils.call_and_ignore_notfound_exc(
+                    cls.subnets_client.delete_subnet, subnet_id)
+
+            # Delete the network.
+            test_utils.call_and_ignore_notfound_exc(
+                cls.networks_client.delete_network, network['id'])
+
+    @test.idempotent_id('5eb7b8fa-9c23-47a2-9d7d-02ed5809dd34')
+    def test_server_create_no_allocate(self):
+        """Tests that no networking is allocated for the server."""
+        # create the server with no networking
+        server, _ = compute.create_test_server(
+            self.os, networks='none', wait_until='ACTIVE')
+        self.addCleanup(waiters.wait_for_server_termination,
+                        self.servers_client, server['id'])
+        self.addCleanup(self.servers_client.delete_server, server['id'])
+        # get the server ips
+        addresses = self.servers_client.list_addresses(
+            server['id'])['addresses']
+        # assert that there is no networking
+        self.assertEqual({}, addresses)
+
+    @test.idempotent_id('2e6cf129-9e28-4e8a-aaaa-045ea826b2a6')
+    def test_server_multi_create_auto_allocate(self):
+        """Tests that networking is auto-allocated for multiple servers."""
+
+        # Create multiple servers with auto networking to make sure the
+        # automatic network allocation is atomic. Using a minimum of three
+        # servers is essential for this scenario because:
+        #
+        # - First request sees no networks for the tenant so it auto-allocates
+        #   one from Neutron, let's call that net1.
+        # - Second request sees no networks for the tenant so it auto-allocates
+        #   one from Neutron. Neutron creates net2 but sees it's a duplicate
+        #   so it queues net2 for deletion and returns net1 from the API and
+        #   Nova uses that for the second server request.
+        # - Third request sees net1 and net2 for the tenant and fails with a
+        #   NetworkAmbiguous 400 error.
+        _, servers = compute.create_test_server(
+            self.os, networks='auto', wait_until='ACTIVE',
+            min_count=3)
+        server_nets = set()
+        for server in servers:
+            self.addCleanup(waiters.wait_for_server_termination,
+                            self.servers_client, server['id'])
+            self.addCleanup(self.servers_client.delete_server, server['id'])
+            # get the server ips
+            addresses = self.servers_client.list_addresses(
+                server['id'])['addresses']
+            # assert that there is networking (should only be one)
+            self.assertEqual(1, len(addresses))
+            server_nets.add(list(addresses.keys())[0])
+        # all servers should be on the same network
+        self.assertEqual(1, len(server_nets))
+
+        # List the networks for the tenant; we filter on admin_state_up=True
+        # because the auto-allocated-topology code in Neutron won't set that
+        # to True until the network is ready and is returned from the API.
+        # Duplicate networks created from a race should have
+        # admin_state_up=False.
+        search_opts = {'tenant_id': self.networks_client.tenant_id,
+                       'shared': False,
+                       'admin_state_up': True}
+        nets = self.networks_client.list_networks(
+            **search_opts).get('networks', [])
+        self.assertEqual(1, len(nets))
+        # verify the single private tenant network is the one that the servers
+        # are using also
+        self.assertIn(nets[0]['name'], server_nets)
diff --git a/tempest/api/compute/admin/test_servers.py b/tempest/api/compute/admin/test_servers.py
old mode 100644
new mode 100755
index 09253b0..0498d3b
--- a/tempest/api/compute/admin/test_servers.py
+++ b/tempest/api/compute/admin/test_servers.py
@@ -37,12 +37,12 @@
     def resource_setup(cls):
         super(ServersAdminTestJSON, cls).resource_setup()
 
-        cls.s1_name = data_utils.rand_name('server')
+        cls.s1_name = data_utils.rand_name(cls.__name__ + '-server')
         server = cls.create_test_server(name=cls.s1_name,
                                         wait_until='ACTIVE')
         cls.s1_id = server['id']
 
-        cls.s2_name = data_utils.rand_name('server')
+        cls.s2_name = data_utils.rand_name(cls.__name__ + '-server')
         server = cls.create_test_server(name=cls.s2_name,
                                         wait_until='ACTIVE')
         cls.s2_id = server['id']
@@ -103,7 +103,7 @@
     @test.idempotent_id('86c7a8f7-50cf-43a9-9bac-5b985317134f')
     def test_list_servers_filter_by_exist_host(self):
         # Filter the list of servers by existent host
-        name = data_utils.rand_name('server')
+        name = data_utils.rand_name(self.__class__.__name__ + '-server')
         network = self.get_tenant_network()
         network_kwargs = fixed_network.set_networks_kwarg(network)
         # We need to create the server as an admin, so we can't use
diff --git a/tempest/api/compute/admin/test_servers_negative.py b/tempest/api/compute/admin/test_servers_negative.py
old mode 100644
new mode 100755
index 7437c14..5ff5d58
--- a/tempest/api/compute/admin/test_servers_negative.py
+++ b/tempest/api/compute/admin/test_servers_negative.py
@@ -40,7 +40,7 @@
         super(ServersAdminNegativeTestJSON, cls).resource_setup()
         cls.tenant_id = cls.client.tenant_id
 
-        cls.s1_name = data_utils.rand_name('server')
+        cls.s1_name = data_utils.rand_name(cls.__name__ + '-server')
         server = cls.create_test_server(name=cls.s1_name,
                                         wait_until='ACTIVE')
         cls.s1_id = server['id']
diff --git a/tempest/api/compute/images/test_list_image_filters.py b/tempest/api/compute/images/test_list_image_filters.py
old mode 100644
new mode 100755
index 9017461..c0caa52
--- a/tempest/api/compute/images/test_list_image_filters.py
+++ b/tempest/api/compute/images/test_list_image_filters.py
@@ -60,7 +60,7 @@
 
         def _create_image():
             params = {
-                'name': data_utils.rand_name('image'),
+                'name': data_utils.rand_name(cls.__name__ + '-image'),
                 'container_format': 'bare',
                 'disk_format': 'raw'
             }
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
old mode 100644
new mode 100755
index da9d548..e8df52d
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -48,7 +48,7 @@
         cls.meta = {'hello': 'world'}
         cls.accessIPv4 = '1.1.1.1'
         cls.accessIPv6 = '0000:0000:0000:0000:0000:babe:220.12.22.2'
-        cls.name = data_utils.rand_name('server')
+        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(
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
old mode 100644
new mode 100755
index 21e7d10..4a5bab5
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -155,7 +155,7 @@
     def test_rebuild_server(self):
         # The server should be rebuilt using the provided image and data
         meta = {'rebuild': 'server'}
-        new_name = data_utils.rand_name('server')
+        new_name = data_utils.rand_name(self.__class__.__name__ + '-server')
         password = 'rebuildPassw0rd'
         rebuilt_server = self.client.rebuild_server(
             self.server_id,
diff --git a/tempest/api/compute/servers/test_servers.py b/tempest/api/compute/servers/test_servers.py
old mode 100644
new mode 100755
index e91857a..5aeba4e
--- a/tempest/api/compute/servers/test_servers.py
+++ b/tempest/api/compute/servers/test_servers.py
@@ -52,7 +52,8 @@
         # Creating a server with a name that already exists is allowed
 
         # TODO(sdague): clear out try, we do cleanup one layer up
-        server_name = data_utils.rand_name('server')
+        server_name = data_utils.rand_name(
+            self.__class__.__name__ + '-server')
         server = self.create_test_server(name=server_name,
                                          wait_until='ACTIVE')
         id1 = server['id']
diff --git a/tempest/api/compute/servers/test_servers_negative.py b/tempest/api/compute/servers/test_servers_negative.py
old mode 100644
new mode 100755
index 10ea31d..2304cb7
--- a/tempest/api/compute/servers/test_servers_negative.py
+++ b/tempest/api/compute/servers/test_servers_negative.py
@@ -253,7 +253,8 @@
         # Update name of a non-existent server
 
         nonexistent_server = data_utils.rand_uuid()
-        new_name = data_utils.rand_name('server') + '_updated'
+        new_name = data_utils.rand_name(
+            self.__class__.__name__ + '-server') + '_updated'
 
         self.assertRaises(lib_exc.NotFound, self.client.update_server,
                           nonexistent_server, name=new_name)
diff --git a/tempest/api/compute/volumes/test_volume_snapshots.py b/tempest/api/compute/volumes/test_volume_snapshots.py
old mode 100644
new mode 100755
index f42d153..e96982d
--- a/tempest/api/compute/volumes/test_volume_snapshots.py
+++ b/tempest/api/compute/volumes/test_volume_snapshots.py
@@ -40,14 +40,14 @@
 
     @test.idempotent_id('cd4ec87d-7825-450d-8040-6e2068f2da8f')
     def test_volume_snapshot_create_get_list_delete(self):
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         volume = self.volumes_client.create_volume(
             size=CONF.volume.volume_size,
             display_name=v_name)['volume']
         self.addCleanup(self.delete_volume, volume['id'])
         waiters.wait_for_volume_status(self.volumes_client, volume['id'],
                                        'available')
-        s_name = data_utils.rand_name('Snapshot')
+        s_name = data_utils.rand_name(self.__class__.__name__ + '-Snapshot')
         # Create snapshot
         snapshot = self.snapshots_client.create_snapshot(
             volume_id=volume['id'],
diff --git a/tempest/api/compute/volumes/test_volumes_get.py b/tempest/api/compute/volumes/test_volumes_get.py
old mode 100644
new mode 100755
index 6074054..d599431
--- a/tempest/api/compute/volumes/test_volumes_get.py
+++ b/tempest/api/compute/volumes/test_volumes_get.py
@@ -42,15 +42,14 @@
     @test.idempotent_id('f10f25eb-9775-4d9d-9cbe-1cf54dae9d5f')
     def test_volume_create_get_delete(self):
         # CREATE, GET, DELETE Volume
-        volume = None
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         # Create volume
         volume = self.client.create_volume(size=CONF.volume.volume_size,
                                            display_name=v_name,
                                            metadata=metadata)['volume']
-        self.addCleanup(self.delete_volume, volume['id'])
         self.assertIn('id', volume)
+        self.addCleanup(self.delete_volume, volume['id'])
         self.assertIn('displayName', volume)
         self.assertEqual(volume['displayName'], v_name,
                          "The created volume name is not equal "
@@ -66,6 +65,10 @@
                          fetched_volume['displayName'],
                          'The fetched Volume is different '
                          'from the created Volume')
+        self.assertEqual(CONF.volume.volume_size,
+                         fetched_volume['size'],
+                         'The fetched volume size is different '
+                         'from the created Volume')
         self.assertEqual(volume['id'],
                          fetched_volume['id'],
                          'The fetched Volume is different '
diff --git a/tempest/api/compute/volumes/test_volumes_list.py b/tempest/api/compute/volumes/test_volumes_list.py
old mode 100644
new mode 100755
index f709c91..c60fcca
--- a/tempest/api/compute/volumes/test_volumes_list.py
+++ b/tempest/api/compute/volumes/test_volumes_list.py
@@ -48,7 +48,7 @@
         cls.volume_list = []
         cls.volume_id_list = []
         for i in range(3):
-            v_name = data_utils.rand_name('volume')
+            v_name = data_utils.rand_name(cls.__name__ + '-volume')
             metadata = {'Type': 'work'}
             try:
                 volume = cls.client.create_volume(size=CONF.volume.volume_size,
diff --git a/tempest/api/compute/volumes/test_volumes_negative.py b/tempest/api/compute/volumes/test_volumes_negative.py
old mode 100644
new mode 100755
index 92f5ea8..7ecad12
--- a/tempest/api/compute/volumes/test_volumes_negative.py
+++ b/tempest/api/compute/volumes/test_volumes_negative.py
@@ -59,7 +59,7 @@
     def test_create_volume_with_invalid_size(self):
         # Negative: Should not be able to create volume with invalid size
         # in request
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
                           size='#$%', display_name=v_name, metadata=metadata)
@@ -69,7 +69,7 @@
     def test_create_volume_with_out_passing_size(self):
         # Negative: Should not be able to create volume without passing size
         # in request
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
                           size='', display_name=v_name, metadata=metadata)
@@ -78,7 +78,7 @@
     @test.idempotent_id('8cce995e-0a83-479a-b94d-e1e40b8a09d1')
     def test_create_volume_with_size_zero(self):
         # Negative: Should not be able to create volume with size zero
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
                           size='0', display_name=v_name, metadata=metadata)
diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index 7c2e8e0..12b236f 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -37,7 +37,7 @@
             cls.projects.append(cls.project['id'])
 
         cls.user_body = cls.users_client.create_user(
-            u_name, description=u_desc, password=u_password,
+            name=u_name, description=u_desc, password=u_password,
             email=u_email, project_id=cls.projects[0])['user']
 
     @classmethod
diff --git a/tempest/api/identity/admin/v3/test_default_project_id.py b/tempest/api/identity/admin/v3/test_default_project_id.py
index a540da7..3616e77 100644
--- a/tempest/api/identity/admin/v3/test_default_project_id.py
+++ b/tempest/api/identity/admin/v3/test_default_project_id.py
@@ -54,7 +54,7 @@
         # default project
         user_name = data_utils.rand_name('user')
         user_body = self.users_client.create_user(
-            user_name,
+            name=user_name,
             password=user_name,
             domain_id=dom_id,
             default_project_id=proj_id)['user']
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index 59fcec6..48e5f02 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -83,7 +83,8 @@
         for i in range(3):
             name = data_utils.rand_name('User')
             password = data_utils.rand_password()
-            user = self.users_client.create_user(name, password)['user']
+            user = self.users_client.create_user(name=name,
+                                                 password=password)['user']
             users.append(user)
             self.addCleanup(self.users_client.delete_user, user['id'])
             self.groups_client.add_group_user(group['id'], user['id'])
@@ -103,7 +104,8 @@
     def test_list_user_groups(self):
         # create a user
         user = self.users_client.create_user(
-            data_utils.rand_name('User'), data_utils.rand_password())['user']
+            name=data_utils.rand_name('User'),
+            password=data_utils.rand_password())['user']
         self.addCleanup(self.users_client.delete_user, user['id'])
         # create two groups, and add user into them
         groups = []
diff --git a/tempest/api/identity/admin/v3/test_inherits.py b/tempest/api/identity/admin/v3/test_inherits.py
index fe20349..0d3d1d6 100644
--- a/tempest/api/identity/admin/v3/test_inherits.py
+++ b/tempest/api/identity/admin/v3/test_inherits.py
@@ -44,7 +44,7 @@
             name=data_utils.rand_name('group-'), project_id=cls.project['id'],
             domain_id=cls.domain['id'])['group']
         cls.user = cls.users_client.create_user(
-            u_name, description=u_desc, password=u_password,
+            name=u_name, description=u_desc, password=u_password,
             email=u_email, project_id=cls.project['id'],
             domain_id=cls.domain['id'])['user']
 
diff --git a/tempest/api/identity/admin/v3/test_list_users.py b/tempest/api/identity/admin/v3/test_list_users.py
index 9691ee8..99df559 100644
--- a/tempest/api/identity/admin/v3/test_list_users.py
+++ b/tempest/api/identity/admin/v3/test_list_users.py
@@ -25,7 +25,7 @@
         # assert the response based on expected and not_expected
         # expected: user expected in the list response
         # not_expected: user, which should not be present in list response
-        body = self.users_client.list_users(params)['users']
+        body = self.users_client.list_users(**params)['users']
         self.assertIn(expected[key], map(lambda x: x[key], body))
         self.assertNotIn(not_expected[key],
                          map(lambda x: x[key], body))
@@ -42,13 +42,13 @@
         cls.users = list()
         u1_name = data_utils.rand_name('test_user')
         cls.domain_enabled_user = cls.users_client.create_user(
-            u1_name, password=alt_password,
+            name=u1_name, password=alt_password,
             email=cls.alt_email, domain_id=cls.domain['id'])['user']
         cls.users.append(cls.domain_enabled_user)
         # Create default not enabled user
         u2_name = data_utils.rand_name('test_user')
         cls.non_domain_enabled_user = cls.users_client.create_user(
-            u2_name, password=alt_password,
+            name=u2_name, password=alt_password,
             email=cls.alt_email, enabled=False)['user']
         cls.users.append(cls.non_domain_enabled_user)
 
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 1879e46..1137191 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -200,7 +200,7 @@
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
         user = self.users_client.create_user(
-            u_name, description=u_desc, password=u_password,
+            name=u_name, description=u_desc, password=u_password,
             email=u_email, project_id=project['id'])['user']
         # Delete the User at the end of this method
         self.addCleanup(self.users_client.delete_user, user['id'])
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index 2b77023..4ecf0a5 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -44,7 +44,7 @@
             name=data_utils.rand_name('Group'), project_id=cls.project['id'],
             domain_id=cls.domain['id'])['group']
         cls.user_body = cls.users_client.create_user(
-            u_name, description=u_desc, password=cls.u_password,
+            name=u_name, description=u_desc, password=cls.u_password,
             email=u_email, project_id=cls.project['id'],
             domain_id=cls.domain['id'])['user']
         cls.role = cls.roles_client.create_role(
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index 89cfd5b..fcf4772 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -32,7 +32,7 @@
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_password()
         user = self.users_client.create_user(
-            u_name, description=u_desc, password=u_password,
+            name=u_name, description=u_desc, password=u_password,
             email=u_email)['user']
         self.addCleanup(self.users_client.delete_user, user['id'])
         # Perform Authentication
@@ -62,7 +62,7 @@
         # Create a user.
         user_name = data_utils.rand_name(name='user')
         user_password = data_utils.rand_password()
-        user = self.users_client.create_user(user_name,
+        user = self.users_client.create_user(name=user_name,
                                              password=user_password)['user']
         self.addCleanup(self.users_client.delete_user, user['id'])
 
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 9c8f1f6..58e2ab8 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -57,7 +57,7 @@
         u_email = self.trustor_username + '@testmail.xx'
         self.trustor_password = data_utils.rand_password()
         user = self.users_client.create_user(
-            self.trustor_username,
+            name=self.trustor_username,
             description=u_desc,
             password=self.trustor_password,
             email=u_email,
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index f200095..1bcec62 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -31,7 +31,7 @@
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
         user = self.users_client.create_user(
-            u_name, description=u_desc, password=u_password,
+            name=u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False)['user']
         # Delete the User at the end of this method
         self.addCleanup(self.users_client.delete_user, user['id'])
@@ -71,7 +71,7 @@
         u_name = data_utils.rand_name('user')
         original_password = data_utils.rand_password()
         user = self.users_client.create_user(
-            u_name, password=original_password)['user']
+            name=u_name, password=original_password)['user']
         # Delete the User at the end all test methods
         self.addCleanup(self.users_client.delete_user, user['id'])
         # Update user with new password
@@ -107,7 +107,7 @@
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
         user_body = self.users_client.create_user(
-            u_name, description=u_desc, password=u_password,
+            name=u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False, project_id=u_project['id'])['user']
         # Delete the User at the end of this method
         self.addCleanup(self.users_client.delete_user, user_body['id'])
diff --git a/tempest/api/identity/admin/v3/test_users_negative.py b/tempest/api/identity/admin/v3/test_users_negative.py
index 71e8bc5..5b0fc97 100644
--- a/tempest/api/identity/admin/v3/test_users_negative.py
+++ b/tempest/api/identity/admin/v3/test_users_negative.py
@@ -29,7 +29,7 @@
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_password()
         self.assertRaises(lib_exc.NotFound, self.users_client.create_user,
-                          u_name, u_password,
+                          name=u_name, password=u_password,
                           email=u_email,
                           domain_id=data_utils.rand_uuid_hex())
 
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index ce052e6..b512d50 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -39,7 +39,7 @@
     def get_user_by_name(cls, name, domain_id=None):
         if domain_id:
             params = {'domain_id': domain_id}
-            users = cls.users_client.list_users(params)['users']
+            users = cls.users_client.list_users(**params)['users']
         else:
             users = cls.users_client.list_users()['users']
         user = [u for u in users if u['name'] == name]
@@ -200,7 +200,7 @@
     @classmethod
     def disable_user(cls, user_name, domain_id=None):
         user = cls.get_user_by_name(user_name, domain_id)
-        cls.users_client.update_user(user['id'], user_name, enabled=False)
+        cls.users_client.update_user(user['id'], name=user_name, enabled=False)
 
     @classmethod
     def create_domain(cls):
@@ -221,7 +221,7 @@
         project = self.setup_test_project()
         username = data_utils.rand_name('test_user')
         email = username + '@testmail.tm'
-        user = self._create_test_user(user_name=username, email=email,
+        user = self._create_test_user(name=username, email=email,
                                       project_id=project['id'],
                                       password=password)
         return user
diff --git a/tempest/api/image/base.py b/tempest/api/image/base.py
old mode 100644
new mode 100755
index 6fd6ea6..78e53b4
--- a/tempest/api/image/base.py
+++ b/tempest/api/image/base.py
@@ -167,7 +167,7 @@
         return image_ids
 
     def _create_image(self):
-        name = data_utils.rand_name('image')
+        name = data_utils.rand_name(self.__class__.__name__ + '-image')
         image = self.client.create_image(name=name,
                                          container_format='bare',
                                          disk_format='raw')
diff --git a/tempest/api/object_storage/test_account_quotas_negative.py b/tempest/api/object_storage/test_account_quotas_negative.py
index 0eec387..ae8dfcc 100644
--- a/tempest/api/object_storage/test_account_quotas_negative.py
+++ b/tempest/api/object_storage/test_account_quotas_negative.py
@@ -13,9 +13,7 @@
 # under the License.
 
 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
 
@@ -91,14 +89,3 @@
         self.assertRaises(lib_exc.Forbidden,
                           self.account_client.create_account_metadata,
                           {"Quota-Bytes": "100"})
-
-    @test.attr(type=["negative"])
-    @decorators.skip_because(bug="1310597")
-    @test.idempotent_id('cf9e21f5-3aa4-41b1-9462-28ac550d8d3f')
-    @test.requires_ext(extension='account_quotas', service='object')
-    def test_upload_large_object(self):
-        object_name = data_utils.rand_name(name="TestObject")
-        data = data_utils.arbitrary_string(30)
-        self.assertRaises(lib_exc.OverLimit,
-                          self.object_client.create_object,
-                          self.container_name, object_name, data)
diff --git a/tempest/api/object_storage/test_container_quotas.py b/tempest/api/object_storage/test_container_quotas.py
index c26e49b..5ed92c4 100644
--- a/tempest/api/object_storage/test_container_quotas.py
+++ b/tempest/api/object_storage/test_container_quotas.py
@@ -70,7 +70,7 @@
     @test.requires_ext(extension='container_quotas', service='object')
     @test.attr(type="smoke")
     def test_upload_large_object(self):
-        """Attempts to upload an object lagger than the bytes quota."""
+        """Attempts to upload an object larger than the bytes quota."""
         object_name = data_utils.rand_name(name="TestObject")
         data = data_utils.arbitrary_string(QUOTA_BYTES + 1)
 
diff --git a/tempest/api/object_storage/test_container_services.py b/tempest/api/object_storage/test_container_services.py
index 296d8ee..cf6ded1 100644
--- a/tempest/api/object_storage/test_container_services.py
+++ b/tempest/api/object_storage/test_container_services.py
@@ -124,7 +124,6 @@
         # delete container, success asserted within
         resp, _ = self.container_client.delete_container(container_name)
         self.assertHeaders(resp, 'Container', 'DELETE')
-        self.containers.remove(container_name)
 
     @test.attr(type='smoke')
     @test.idempotent_id('312ff6bd-5290-497f-bda1-7c5fec6697ab')
diff --git a/tempest/api/volume/admin/test_multi_backend.py b/tempest/api/volume/admin/test_multi_backend.py
index 5615cf3..f665e69 100644
--- a/tempest/api/volume/admin/test_multi_backend.py
+++ b/tempest/api/volume/admin/test_multi_backend.py
@@ -53,30 +53,30 @@
             cls._create_type_and_volume(backend_name, True)
 
     @classmethod
-    def _create_type_and_volume(self, backend_name_key, with_prefix):
+    def _create_type_and_volume(cls, backend_name_key, with_prefix):
         # Volume/Type creation
-        type_name = data_utils.rand_name('Type')
-        vol_name = data_utils.rand_name('Volume')
+        type_name = data_utils.rand_name(cls.__name__ + '-Type')
+        vol_name = data_utils.rand_name(cls.__name__ + '-Volume')
         spec_key_with_prefix = "capabilities:volume_backend_name"
         spec_key_without_prefix = "volume_backend_name"
         if with_prefix:
             extra_specs = {spec_key_with_prefix: backend_name_key}
         else:
             extra_specs = {spec_key_without_prefix: backend_name_key}
-        self.type = self.create_volume_type(name=type_name,
-                                            extra_specs=extra_specs)
+        cls.type = cls.create_volume_type(name=type_name,
+                                          extra_specs=extra_specs)
 
-        params = {self.name_field: vol_name, 'volume_type': type_name}
+        params = {cls.name_field: vol_name, 'volume_type': type_name}
 
-        self.volume = self.admin_volume_client.create_volume(
+        cls.volume = cls.admin_volume_client.create_volume(
             **params)['volume']
         if with_prefix:
-            self.volume_id_list_with_prefix.append(self.volume['id'])
+            cls.volume_id_list_with_prefix.append(cls.volume['id'])
         else:
-            self.volume_id_list_without_prefix.append(
-                self.volume['id'])
-        waiters.wait_for_volume_status(self.admin_volume_client,
-                                       self.volume['id'], 'available')
+            cls.volume_id_list_without_prefix.append(
+                cls.volume['id'])
+        waiters.wait_for_volume_status(cls.admin_volume_client,
+                                       cls.volume['id'], 'available')
 
     @classmethod
     def resource_cleanup(cls):
diff --git a/tempest/api/volume/admin/test_qos.py b/tempest/api/volume/admin/test_qos.py
old mode 100644
new mode 100755
index 9402668..f1101e1
--- a/tempest/api/volume/admin/test_qos.py
+++ b/tempest/api/volume/admin/test_qos.py
@@ -37,7 +37,7 @@
                                                     read_iops_sec='2000')
 
     def _create_delete_test_qos_with_given_consumer(self, consumer):
-        name = utils.rand_name('qos')
+        name = utils.rand_name(self.__class__.__name__ + '-qos')
         qos = {'name': name, 'consumer': consumer}
         body = self.create_test_qos_specs(name, consumer)
         for key in ['name', 'consumer']:
diff --git a/tempest/api/volume/admin/test_volume_types.py b/tempest/api/volume/admin/test_volume_types.py
old mode 100644
new mode 100755
index 8eae085..01f96b7
--- a/tempest/api/volume/admin/test_volume_types.py
+++ b/tempest/api/volume/admin/test_volume_types.py
@@ -35,7 +35,7 @@
     def test_volume_crud_with_volume_type_and_extra_specs(self):
         # Create/update/get/delete volume with volume_type and extra spec.
         volume_types = list()
-        vol_name = data_utils.rand_name("volume")
+        vol_name = data_utils.rand_name(self.__class__.__name__ + '-volume')
         self.name_field = self.special_fields['name_field']
         proto = CONF.volume.storage_protocol
         vendor = CONF.volume.vendor_name
@@ -43,7 +43,8 @@
                        "vendor_name": vendor}
         # Create two volume_types
         for i in range(2):
-            vol_type_name = data_utils.rand_name("volume-type")
+            vol_type_name = data_utils.rand_name(
+                self.__class__.__name__ + '-volume-type')
             vol_type = self.create_volume_type(
                 name=vol_type_name,
                 extra_specs=extra_specs)
@@ -87,7 +88,7 @@
     def test_volume_type_create_get_delete(self):
         # Create/get volume type.
         body = {}
-        name = data_utils.rand_name("volume-type")
+        name = data_utils.rand_name(self.__class__.__name__ + '-volume-type')
         description = data_utils.rand_name("volume-type-description")
         proto = CONF.volume.storage_protocol
         vendor = CONF.volume.vendor_name
@@ -122,7 +123,7 @@
         # Create/get/delete encryption type.
         provider = "LuksEncryptor"
         control_location = "front-end"
-        name = data_utils.rand_name("volume-type")
+        name = data_utils.rand_name(self.__class__.__name__ + '-volume-type')
         body = self.create_volume_type(name=name)
         # Create encryption type
         encryption_type = \
diff --git a/tempest/api/volume/admin/test_volume_types_extra_specs.py b/tempest/api/volume/admin/test_volume_types_extra_specs.py
old mode 100644
new mode 100755
index 9e49b94..d50ba27
--- a/tempest/api/volume/admin/test_volume_types_extra_specs.py
+++ b/tempest/api/volume/admin/test_volume_types_extra_specs.py
@@ -23,7 +23,7 @@
     @classmethod
     def resource_setup(cls):
         super(VolumeTypesExtraSpecsV2Test, cls).resource_setup()
-        vol_type_name = data_utils.rand_name('Volume-type')
+        vol_type_name = data_utils.rand_name(cls.__name__ + '-Volume-type')
         cls.volume_type = cls.create_volume_type(name=vol_type_name)
 
     @test.idempotent_id('b42923e9-0452-4945-be5b-d362ae533e60')
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
old mode 100644
new mode 100755
index 2193aa6..2e07457
--- a/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
+++ b/tempest/api/volume/admin/test_volume_types_extra_specs_negative.py
@@ -24,7 +24,7 @@
     @classmethod
     def resource_setup(cls):
         super(ExtraSpecsNegativeV2Test, cls).resource_setup()
-        vol_type_name = data_utils.rand_name('Volume-type')
+        vol_type_name = data_utils.rand_name(cls.__name__ + '-Volume-type')
         cls.extra_specs = {"spec1": "val1"}
         cls.volume_type = cls.create_volume_type(name=vol_type_name,
                                                  extra_specs=cls.extra_specs)
diff --git a/tempest/api/volume/admin/test_volumes_actions.py b/tempest/api/volume/admin/test_volumes_actions.py
old mode 100644
new mode 100755
index 5388f7f..03927e6
--- a/tempest/api/volume/admin/test_volumes_actions.py
+++ b/tempest/api/volume/admin/test_volumes_actions.py
@@ -59,7 +59,7 @@
 
     def _create_temp_volume(self):
         # Create a temp volume for force delete tests
-        vol_name = utils.rand_name('Volume')
+        vol_name = utils.rand_name(self.__class__.__name__ + '-Volume')
         params = {self.name_field: vol_name}
         temp_volume = self.client.create_volume(**params)['volume']
         waiters.wait_for_volume_status(self.client,
diff --git a/tempest/api/volume/admin/test_volumes_backup.py b/tempest/api/volume/admin/test_volumes_backup.py
old mode 100644
new mode 100755
index ff28b50..f7013d8
--- a/tempest/api/volume/admin/test_volumes_backup.py
+++ b/tempest/api/volume/admin/test_volumes_backup.py
@@ -67,7 +67,7 @@
         be imported back in case of a DB loss.
         """
         # Create backup
-        backup_name = data_utils.rand_name('Backup')
+        backup_name = data_utils.rand_name(self.__class__.__name__ + '-Backup')
         backup = (self.admin_backups_client.create_backup(
             volume_id=self.volume['id'], name=backup_name)['backup'])
         self.addCleanup(self._delete_backup, backup['id'])
@@ -131,7 +131,8 @@
     @test.idempotent_id('47a35425-a891-4e13-961c-c45deea21e94')
     def test_volume_backup_reset_status(self):
         # Create a backup
-        backup_name = data_utils.rand_name('Backup')
+        backup_name = data_utils.rand_name(
+            self.__class__.__name__ + '-Backup')
         backup = self.admin_backups_client.create_backup(
             volume_id=self.volume['id'], name=backup_name)['backup']
         self.addCleanup(self.admin_backups_client.delete_backup,
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 087b9a8..ef28add 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -110,7 +110,7 @@
     @classmethod
     def create_volume(cls, **kwargs):
         """Wrapper utility that returns a test volume."""
-        name = data_utils.rand_name('Volume')
+        name = data_utils.rand_name(cls.__name__ + '-Volume')
 
         name_field = cls.special_fields['name_field']
 
@@ -236,7 +236,7 @@
     @classmethod
     def create_volume_type(cls, name=None, **kwargs):
         """Create a test volume-type"""
-        name = name or data_utils.rand_name('volume-type')
+        name = name or data_utils.rand_name(cls.__name__ + '-volume-type')
         volume_type = cls.admin_volume_types_client.create_volume_type(
             name=name, **kwargs)['volume_type']
         cls.volume_types.append(volume_type['id'])
diff --git a/tempest/api/volume/test_volumes_actions.py b/tempest/api/volume/test_volumes_actions.py
old mode 100644
new mode 100755
index 76cd36c..d5e1e6b
--- a/tempest/api/volume/test_volumes_actions.py
+++ b/tempest/api/volume/test_volumes_actions.py
@@ -129,7 +129,7 @@
         # it is shared with the other tests. After it is uploaded in Glance,
         # there is no way to delete it from Cinder, so we delete it from Glance
         # using the Glance image_client and from Cinder via tearDownClass.
-        image_name = data_utils.rand_name('Image')
+        image_name = data_utils.rand_name(self.__class__.__name__ + '-Image')
         body = self.client.upload_volume(
             self.volume['id'], image_name=image_name,
             disk_format=CONF.volume.disk_format)['os-volume_upload_image']
diff --git a/tempest/api/volume/test_volumes_backup.py b/tempest/api/volume/test_volumes_backup.py
old mode 100644
new mode 100755
index d83c308..8e78a89
--- a/tempest/api/volume/test_volumes_backup.py
+++ b/tempest/api/volume/test_volumes_backup.py
@@ -39,7 +39,8 @@
     @test.idempotent_id('a66eb488-8ee1-47d4-8e9f-575a095728c6')
     def test_volume_backup_create_get_detailed_list_restore_delete(self):
         # Create backup
-        backup_name = data_utils.rand_name('Backup')
+        backup_name = data_utils.rand_name(
+            self.__class__.__name__ + '-Backup')
         create_backup = self.backups_client.create_backup
         backup = create_backup(volume_id=self.volume['id'],
                                name=backup_name)['backup']
@@ -83,7 +84,8 @@
         is "available" or "in-use".
         """
         # Create a server
-        server_name = data_utils.rand_name('instance')
+        server_name = data_utils.rand_name(
+            self.__class__.__name__ + '-instance')
         server = self.create_server(name=server_name, wait_until='ACTIVE')
         self.addCleanup(self.servers_client.delete_server, server['id'])
         # Attach volume to instance
@@ -96,7 +98,8 @@
         self.addCleanup(self.servers_client.detach_volume, server['id'],
                         self.volume['id'])
         # Create backup using force flag
-        backup_name = data_utils.rand_name('Backup')
+        backup_name = data_utils.rand_name(
+            self.__class__.__name__ + '-Backup')
         backup = self.backups_client.create_backup(
             volume_id=self.volume['id'],
             name=backup_name, force=True)['backup']
diff --git a/tempest/api/volume/test_volumes_get.py b/tempest/api/volume/test_volumes_get.py
old mode 100644
new mode 100755
index e5fcdfe..7a1c0a1
--- a/tempest/api/volume/test_volumes_get.py
+++ b/tempest/api/volume/test_volumes_get.py
@@ -41,8 +41,7 @@
 
     def _volume_create_get_update_delete(self, **kwargs):
         # Create a volume, Get it's details and Delete the volume
-        volume = {}
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'Test'}
         # Create a volume
         kwargs[self.name_field] = v_name
@@ -82,7 +81,8 @@
         params = {self.name_field: v_name}
         self.client.update_volume(volume['id'], **params)
         # Test volume update when display_name is new
-        new_v_name = data_utils.rand_name('new-Volume')
+        new_v_name = data_utils.rand_name(
+            self.__class__.__name__ + '-new-Volume')
         new_desc = 'This is the new description of volume'
         params = {self.name_field: new_v_name,
                   self.descrip_field: new_desc}
@@ -103,7 +103,6 @@
         # Test volume create when display_name is none and display_description
         # contains specific characters,
         # then test volume update if display_name is duplicated
-        new_volume = {}
         new_v_desc = data_utils.rand_name('@#$%^* description')
         params = {self.descrip_field: new_v_desc,
                   'availability_zone': volume['availability_zone']}
diff --git a/tempest/api/volume/test_volumes_list.py b/tempest/api/volume/test_volumes_list.py
index f7176f4..b5ef7c0 100644
--- a/tempest/api/volume/test_volumes_list.py
+++ b/tempest/api/volume/test_volumes_list.py
@@ -61,20 +61,11 @@
 
         # Create 3 test volumes
         cls.volume_list = []
-        cls.volume_id_list = []
         cls.metadata = {'Type': 'work'}
         for i in range(3):
             volume = cls.create_volume(metadata=cls.metadata)
             volume = cls.client.show_volume(volume['id'])['volume']
             cls.volume_list.append(volume)
-            cls.volume_id_list.append(volume['id'])
-
-    @classmethod
-    def resource_cleanup(cls):
-        # Delete the created volumes
-        for volid in cls.volume_id_list:
-            cls.delete_volume(cls.client, volid)
-        super(VolumesV2ListTestJSON, cls).resource_cleanup()
 
     def _list_by_param_value_and_assert(self, params, with_detail=False):
         """list or list_details with given params and validates result"""
diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
old mode 100644
new mode 100755
index 77bfaf1..d2c05ae
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -56,7 +56,7 @@
     def test_create_volume_with_invalid_size(self):
         # Should not be able to create volume with invalid size
         # in request
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
                           size='#$%', display_name=v_name, metadata=metadata)
@@ -66,7 +66,7 @@
     def test_create_volume_with_out_passing_size(self):
         # Should not be able to create volume without passing size
         # in request
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
                           size='', display_name=v_name, metadata=metadata)
@@ -75,7 +75,7 @@
     @test.idempotent_id('41331caa-eaf4-4001-869d-bc18c1869360')
     def test_create_volume_with_size_zero(self):
         # Should not be able to create volume with size zero
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
                           size='0', display_name=v_name, metadata=metadata)
@@ -84,7 +84,7 @@
     @test.idempotent_id('8b472729-9eba-446e-a83b-916bdb34bef7')
     def test_create_volume_with_size_negative(self):
         # Should not be able to create volume with size negative
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
                           size='-1', display_name=v_name, metadata=metadata)
@@ -93,7 +93,7 @@
     @test.idempotent_id('10254ed8-3849-454e-862e-3ab8e6aa01d2')
     def test_create_volume_with_nonexistent_volume_type(self):
         # Should not be able to create volume with non-existent volume type
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.NotFound, self.client.create_volume,
                           size='1', volume_type=data_utils.rand_uuid(),
@@ -103,7 +103,7 @@
     @test.idempotent_id('0c36f6ae-4604-4017-b0a9-34fdc63096f9')
     def test_create_volume_with_nonexistent_snapshot_id(self):
         # Should not be able to create volume with non-existent snapshot
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.NotFound, self.client.create_volume,
                           size='1', snapshot_id=data_utils.rand_uuid(),
@@ -113,7 +113,7 @@
     @test.idempotent_id('47c73e08-4be8-45bb-bfdf-0c4e79b88344')
     def test_create_volume_with_nonexistent_source_volid(self):
         # Should not be able to create volume with non-existent source volume
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.NotFound, self.client.create_volume,
                           size='1', source_volid=data_utils.rand_uuid(),
@@ -122,7 +122,7 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('0186422c-999a-480e-a026-6a665744c30c')
     def test_update_volume_with_nonexistent_volume_id(self):
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.NotFound, self.client.update_volume,
                           volume_id=data_utils.rand_uuid(),
@@ -132,7 +132,7 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('e66e40d6-65e6-4e75-bdc7-636792fa152d')
     def test_update_volume_with_invalid_volume_id(self):
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.NotFound, self.client.update_volume,
                           volume_id='#$%%&^&^', display_name=v_name,
@@ -141,7 +141,7 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('72aeca85-57a5-4c1f-9057-f320f9ea575b')
     def test_update_volume_with_empty_volume_id(self):
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
         self.assertRaises(lib_exc.NotFound, self.client.update_volume,
                           volume_id='', display_name=v_name,
@@ -177,7 +177,7 @@
     @test.idempotent_id('f5e56b0a-5d02-43c1-a2a7-c9b792c2e3f6')
     @test.services('compute')
     def test_attach_volumes_with_nonexistent_volume_id(self):
-        srv_name = data_utils.rand_name('Instance')
+        srv_name = data_utils.rand_name(self.__class__.__name__ + '-Instance')
         server = self.create_server(
             name=srv_name,
             wait_until='ACTIVE')
@@ -267,7 +267,7 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('0f4aa809-8c7b-418f-8fb3-84c7a5dfc52f')
     def test_list_volumes_with_nonexistent_name(self):
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         params = {self.name_field: v_name}
         fetched_volume = self.client.list_volumes(params=params)['volumes']
         self.assertEqual(0, len(fetched_volume))
@@ -275,7 +275,7 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('9ca17820-a0e7-4cbd-a7fa-f4468735e359')
     def test_list_volumes_detail_with_nonexistent_name(self):
-        v_name = data_utils.rand_name('Volume')
+        v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         params = {self.name_field: v_name}
         fetched_volume = \
             self.client.list_volumes(detail=True, params=params)['volumes']
diff --git a/tempest/api/volume/test_volumes_snapshots.py b/tempest/api/volume/test_volumes_snapshots.py
old mode 100644
new mode 100755
index c7f1e6e..20c647a
--- a/tempest/api/volume/test_volumes_snapshots.py
+++ b/tempest/api/volume/test_volumes_snapshots.py
@@ -75,7 +75,8 @@
     def test_snapshot_create_with_volume_in_use(self):
         # Create a snapshot when volume status is in-use
         # Create a test instance
-        server_name = data_utils.rand_name('instance')
+        server_name = data_utils.rand_name(
+            self.__class__.__name__ + '-instance')
         server = self.create_server(
             name=server_name,
             wait_until='ACTIVE')
@@ -98,7 +99,7 @@
     @test.idempotent_id('2a8abbe4-d871-46db-b049-c41f5af8216e')
     def test_snapshot_create_get_list_update_delete(self):
         # Create a snapshot
-        s_name = data_utils.rand_name('snap')
+        s_name = data_utils.rand_name(self.__class__.__name__ + '-snap')
         params = {self.name_field: s_name}
         snapshot = self.create_snapshot(self.volume_origin['id'], **params)
 
@@ -116,7 +117,8 @@
         self.assertIn(tracking_data, snaps_data)
 
         # Updates snapshot with new values
-        new_s_name = data_utils.rand_name('new-snap')
+        new_s_name = data_utils.rand_name(
+            self.__class__.__name__ + '-new-snap')
         new_desc = 'This is the new description of snapshot.'
         params = {self.name_field: new_s_name,
                   self.descrip_field: new_desc}
@@ -138,7 +140,7 @@
     def test_snapshots_list_with_params(self):
         """list snapshots with params."""
         # Create a snapshot
-        display_name = data_utils.rand_name('snap')
+        display_name = data_utils.rand_name(self.__class__.__name__ + '-snap')
         params = {self.name_field: display_name}
         snapshot = self.create_snapshot(self.volume_origin['id'], **params)
         self.addCleanup(self.cleanup_snapshot, snapshot)
@@ -160,7 +162,7 @@
     def test_snapshots_list_details_with_params(self):
         """list snapshot details with params."""
         # Create a snapshot
-        display_name = data_utils.rand_name('snap')
+        display_name = data_utils.rand_name(self.__class__.__name__ + '-snap')
         params = {self.name_field: display_name}
         snapshot = self.create_snapshot(self.volume_origin['id'], **params)
         self.addCleanup(self.cleanup_snapshot, snapshot)
diff --git a/tempest/api/volume/test_volumes_snapshots_negative.py b/tempest/api/volume/test_volumes_snapshots_negative.py
old mode 100644
new mode 100755
index 2df9523..1f5bb0d
--- a/tempest/api/volume/test_volumes_snapshots_negative.py
+++ b/tempest/api/volume/test_volumes_snapshots_negative.py
@@ -31,7 +31,7 @@
     @test.idempotent_id('e3e466af-70ab-4f4b-a967-ab04e3532ea7')
     def test_create_snapshot_with_nonexistent_volume_id(self):
         # Create a snapshot with nonexistent volume id
-        s_name = data_utils.rand_name('snap')
+        s_name = data_utils.rand_name(self.__class__.__name__ + '-snap')
         self.assertRaises(lib_exc.NotFound,
                           self.snapshots_client.create_snapshot,
                           volume_id=data_utils.rand_uuid(),
@@ -41,7 +41,7 @@
     @test.idempotent_id('bb9da53e-d335-4309-9c15-7e76fd5e4d6d')
     def test_create_snapshot_without_passing_volume_id(self):
         # Create a snapshot without passing volume id
-        s_name = data_utils.rand_name('snap')
+        s_name = data_utils.rand_name(self.__class__.__name__ + '-snap')
         self.assertRaises(lib_exc.NotFound,
                           self.snapshots_client.create_snapshot,
                           volume_id=None, display_name=s_name)
diff --git a/tempest/api/volume/v3/admin/test_user_messages.py b/tempest/api/volume/v3/admin/test_user_messages.py
old mode 100644
new mode 100755
index 9d59d1b..517c8d7
--- a/tempest/api/volume/v3/admin/test_user_messages.py
+++ b/tempest/api/volume/v3/admin/test_user_messages.py
@@ -42,7 +42,8 @@
         bad_vendor = data_utils.rand_name('vendor_name')
         extra_specs = {'storage_protocol': bad_protocol,
                        'vendor_name': bad_vendor}
-        vol_type_name = data_utils.rand_name('volume-type')
+        vol_type_name = data_utils.rand_name(
+            self.__class__.__name__ + '-volume-type')
         bogus_type = self.admin_volume_types_client.create_volume_type(
             name=vol_type_name,
             extra_specs=extra_specs)['volume_type']
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index a2edcdc..194b9e9 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -101,7 +101,7 @@
                 wait_until = 'ACTIVE'
 
     if volume_backed:
-        volume_name = data_utils.rand_name('volume')
+        volume_name = data_utils.rand_name(__name__ + '-volume')
         volumes_client = clients.volumes_v2_client
         if CONF.volume_feature_enabled.api_v1:
             volumes_client = clients.volumes_client
diff --git a/tempest/common/cred_client.py b/tempest/common/cred_client.py
index 2ca9f40..4e3c395 100644
--- a/tempest/common/cred_client.py
+++ b/tempest/common/cred_client.py
@@ -40,8 +40,10 @@
         self.roles_client = roles_client
 
     def create_user(self, username, password, project, email):
-        params = self._create_user_params(username, password,
-                                          project['id'], email)
+        params = {'name': username,
+                  'password': password,
+                  self.project_id_param: project['id'],
+                  'email': email}
         user = self.users_client.create_user(**params)
         if 'user' in user:
             user = user['user']
@@ -94,6 +96,7 @@
 
 
 class V2CredsClient(CredsClient):
+    project_id_param = 'tenantId'
 
     def __init__(self, identity_client, projects_client, users_client,
                  roles_client):
@@ -102,13 +105,6 @@
                                             users_client,
                                             roles_client)
 
-    def _create_user_params(self, username, password, project_id, email):
-        params = {'name': username,
-                  'password': password,
-                  'tenantId': project_id,
-                  'email': email}
-        return params
-
     def create_project(self, name, description):
         tenant = self.projects_client.create_tenant(
             name=name, description=description)['tenant']
@@ -135,6 +131,7 @@
 
 
 class V3CredsClient(CredsClient):
+    project_id_param = 'project_id'
 
     def __init__(self, identity_client, projects_client, users_client,
                  roles_client, domains_client, domain_name):
@@ -152,13 +149,6 @@
             msg = "Requested domain %s could not be found" % domain_name
             raise lib_exc.InvalidCredentials(msg)
 
-    def _create_user_params(self, username, password, project_id, email):
-        params = {'user_name': username,
-                  'password': password,
-                  'project_id': project_id,
-                  'email': email}
-        return params
-
     def create_project(self, name, description):
         project = self.projects_client.create_project(
             name=name, description=description,
diff --git a/tempest/lib/api_schema/response/compute/v2_26/__init__.py b/tempest/lib/api_schema/response/compute/v2_26/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/lib/api_schema/response/compute/v2_26/__init__.py
diff --git a/tempest/lib/api_schema/response/compute/v2_26/servers.py b/tempest/lib/api_schema/response/compute/v2_26/servers.py
new file mode 100644
index 0000000..bc5d18e
--- /dev/null
+++ b/tempest/lib/api_schema/response/compute/v2_26/servers.py
@@ -0,0 +1,47 @@
+# Copyright 2016 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 copy
+
+from tempest.lib.api_schema.response.compute.v2_1 import servers as servers21
+from tempest.lib.api_schema.response.compute.v2_19 import servers as servers219
+
+# The 2.26 microversion changes the server GET and (detailed) LIST responses to
+# include the server 'tags' which is just a list of strings.
+
+tag_items = {
+    'type': 'array',
+    'maxItems': 50,
+    'items': {
+        'type': 'string',
+        'pattern': '^[^,/]*$',
+        'maxLength': 60
+    }
+}
+
+get_server = copy.deepcopy(servers219.get_server)
+get_server['response_body']['properties']['server'][
+    'properties'].update({'tags': tag_items})
+get_server['response_body']['properties']['server'][
+    'required'].append('tags')
+
+list_servers_detail = copy.deepcopy(servers219.list_servers_detail)
+list_servers_detail['response_body']['properties']['servers']['items'][
+    'properties'].update({'tags': tag_items})
+list_servers_detail['response_body']['properties']['servers']['items'][
+    'required'].append('tags')
+
+# list response schema wasn't changed for v2.26 so use v2.1
+
+list_servers = copy.deepcopy(servers21.list_servers)
diff --git a/tempest/lib/services/compute/servers_client.py b/tempest/lib/services/compute/servers_client.py
index 24c0be9..8b22be0 100755
--- a/tempest/lib/services/compute/servers_client.py
+++ b/tempest/lib/services/compute/servers_client.py
@@ -22,6 +22,7 @@
 from tempest.lib.api_schema.response.compute.v2_1 import servers as schema
 from tempest.lib.api_schema.response.compute.v2_16 import servers as schemav216
 from tempest.lib.api_schema.response.compute.v2_19 import servers as schemav219
+from tempest.lib.api_schema.response.compute.v2_26 import servers as schemav226
 from tempest.lib.api_schema.response.compute.v2_3 import servers as schemav23
 from tempest.lib.api_schema.response.compute.v2_9 import servers as schemav29
 from tempest.lib.common import rest_client
@@ -34,7 +35,8 @@
         {'min': '2.3', 'max': '2.8', 'schema': schemav23},
         {'min': '2.9', 'max': '2.15', 'schema': schemav29},
         {'min': '2.16', 'max': '2.18', 'schema': schemav216},
-        {'min': '2.19', 'max': None, 'schema': schemav219}]
+        {'min': '2.19', 'max': '2.25', 'schema': schemav219},
+        {'min': '2.26', 'max': None, 'schema': schemav226}]
 
     def __init__(self, auth_provider, service, region,
                  enable_instance_password=True, **kwargs):
diff --git a/tempest/services/volume/base/admin/base_quotas_client.py b/tempest/lib/services/volume/v1/quotas_client.py
similarity index 91%
copy from tempest/services/volume/base/admin/base_quotas_client.py
copy to tempest/lib/services/volume/v1/quotas_client.py
index 2c1f50d..8924b42 100644
--- a/tempest/services/volume/base/admin/base_quotas_client.py
+++ b/tempest/lib/services/volume/v1/quotas_client.py
@@ -18,8 +18,8 @@
 from tempest.lib.common import rest_client
 
 
-class BaseQuotasClient(rest_client.RestClient):
-    """Client class to send CRUD Volume Quotas API requests"""
+class QuotasClient(rest_client.RestClient):
+    """Client class to send CRUD Volume Quotas API V1 requests"""
 
     def show_default_quota_set(self, tenant_id):
         """List the default volume quota set for a tenant."""
@@ -46,7 +46,7 @@
         """Updates quota set
 
         Available params: see http://developer.openstack.org/
-                              api-ref-blockstorage-v2.html#updateQuotas-v2
+                              api-ref-blockstorage-v1.html#updateQuota
         """
         put_body = jsonutils.dumps({'quota_set': kwargs})
         resp, body = self.put('os-quota-sets/%s' % tenant_id, put_body)
diff --git a/tempest/services/volume/base/admin/base_quotas_client.py b/tempest/lib/services/volume/v2/quotas_client.py
similarity index 91%
rename from tempest/services/volume/base/admin/base_quotas_client.py
rename to tempest/lib/services/volume/v2/quotas_client.py
index 2c1f50d..a302045 100644
--- a/tempest/services/volume/base/admin/base_quotas_client.py
+++ b/tempest/lib/services/volume/v2/quotas_client.py
@@ -1,4 +1,5 @@
-# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
+# Copyright 2014 OpenStack Foundation
+# 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
@@ -18,8 +19,9 @@
 from tempest.lib.common import rest_client
 
 
-class BaseQuotasClient(rest_client.RestClient):
-    """Client class to send CRUD Volume Quotas API requests"""
+class QuotasClient(rest_client.RestClient):
+    """Client class to send CRUD Volume Quotas API V2 requests"""
+    api_version = "v2"
 
     def show_default_quota_set(self, tenant_id):
         """List the default volume quota set for a tenant."""
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 6da0570..62ab67d 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -235,7 +235,7 @@
             # and net['id'] if they come from
             # clients.networks_client.list_networks
             for net in networks:
-                net_id = net.get('uuid', net['id'])
+                net_id = net.get('uuid', net.get('id'))
                 if 'port' not in net:
                     port = self._create_port(network_id=net_id,
                                              client=clients.ports_client,
diff --git a/tempest/scenario/test_shelve_instance.py b/tempest/scenario/test_shelve_instance.py
index 4b9c61c..7f04b0d 100644
--- a/tempest/scenario/test_shelve_instance.py
+++ b/tempest/scenario/test_shelve_instance.py
@@ -53,25 +53,12 @@
         security_group = self._create_security_group()
         security_groups = [{'name': security_group['name']}]
 
-        if boot_from_volume:
-            volume = self.create_volume(size=CONF.volume.volume_size,
-                                        imageRef=CONF.compute.image_ref)
-            bd_map = [{
-                'device_name': 'vda',
-                'volume_id': volume['id'],
-                'delete_on_termination': '0'}]
-
-            server = self.create_server(
-                key_name=keypair['name'],
-                security_groups=security_groups,
-                block_device_mapping=bd_map,
-                wait_until='ACTIVE')
-        else:
-            server = self.create_server(
-                image_id=CONF.compute.image_ref,
-                key_name=keypair['name'],
-                security_groups=security_groups,
-                wait_until='ACTIVE')
+        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)
         timestamp = self.create_timestamp(instance_ip,
diff --git a/tempest/scenario/test_volume_boot_pattern.py b/tempest/scenario/test_volume_boot_pattern.py
old mode 100644
new mode 100755
index 25d825a..3f6d9c4
--- a/tempest/scenario/test_volume_boot_pattern.py
+++ b/tempest/scenario/test_volume_boot_pattern.py
@@ -48,7 +48,8 @@
 
     def _create_volume_from_image(self):
         img_uuid = CONF.compute.image_ref
-        vol_name = data_utils.rand_name('volume-origin')
+        vol_name = data_utils.rand_name(
+            self.__class__.__name__ + '-volume-origin')
         return self.create_volume(name=vol_name, imageRef=img_uuid)
 
     def _get_bdm(self, vol_id, delete_on_termination=False):
@@ -79,7 +80,8 @@
             **create_kwargs)
 
     def _create_snapshot_from_volume(self, vol_id):
-        snap_name = data_utils.rand_name('snapshot')
+        snap_name = data_utils.rand_name(
+            self.__class__.__name__ + '-snapshot')
         snap = self.snapshots_client.create_snapshot(
             volume_id=vol_id,
             force=True,
@@ -99,7 +101,8 @@
         return snap
 
     def _create_volume_from_snapshot(self, snap_id):
-        vol_name = data_utils.rand_name('volume')
+        vol_name = data_utils.rand_name(
+            self.__class__.__name__ + '-volume')
         return self.create_volume(name=vol_name, snapshot_id=snap_id)
 
     def _delete_server(self, server):
@@ -170,7 +173,7 @@
         instance = self._boot_instance_from_volume(volume_origin['id'],
                                                    delete_on_termination=True)
         # create EBS image
-        name = data_utils.rand_name('image')
+        name = data_utils.rand_name(self.__class__.__name__ + '-image')
         image = self.create_server_snapshot(instance, name=name)
 
         # delete instance
diff --git a/tempest/services/identity/v3/json/groups_client.py b/tempest/services/identity/v3/json/groups_client.py
index 1a495f8..628b3e1 100644
--- a/tempest/services/identity/v3/json/groups_client.py
+++ b/tempest/services/identity/v3/json/groups_client.py
@@ -18,6 +18,7 @@
 """
 
 from oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
 
 from tempest.lib.common import rest_client
 
@@ -44,9 +45,16 @@
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def list_groups(self):
-        """Lists the groups."""
-        resp, body = self.get('groups')
+    def list_groups(self, **params):
+        """Lists the groups.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref/identity/v3/#list-groups
+        """
+        url = 'groups'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
@@ -76,9 +84,16 @@
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def list_group_users(self, group_id):
-        """List users in group."""
-        resp, body = self.get('groups/%s/users' % group_id)
+    def list_group_users(self, group_id, **params):
+        """List users in group.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref/identity/v3/#list-users-in-group
+        """
+        url = 'groups/%s/users' % group_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v3/json/users_clients.py b/tempest/services/identity/v3/json/users_clients.py
index 73bd343..0dcdacd 100644
--- a/tempest/services/identity/v3/json/users_clients.py
+++ b/tempest/services/identity/v3/json/users_clients.py
@@ -21,56 +21,27 @@
 class UsersClient(rest_client.RestClient):
     api_version = "v3"
 
-    def create_user(self, user_name, password=None, project_id=None,
-                    email=None, domain_id='default', **kwargs):
-        """Creates a user."""
-        en = kwargs.get('enabled', True)
-        description = kwargs.get('description', None)
-        default_project_id = kwargs.get('default_project_id')
-        post_body = {
-            'project_id': project_id,
-            'default_project_id': default_project_id,
-            'description': description,
-            'domain_id': domain_id,
-            'email': email,
-            'enabled': en,
-            'name': user_name,
-            'password': password
-        }
-        post_body = json.dumps({'user': post_body})
+    def create_user(self, **kwargs):
+        """Creates a user.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref/identity/v3/#create-user
+        """
+        post_body = json.dumps({'user': kwargs})
         resp, body = self.post('users', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def update_user(self, user_id, name, **kwargs):
+    def update_user(self, user_id, **kwargs):
         """Updates a user.
 
         Available params: see http://developer.openstack.org/
                               api-ref-identity-v3.html#updateUser
         """
-        body = self.show_user(user_id)['user']
-        email = kwargs.get('email', body['email'])
-        en = kwargs.get('enabled', body['enabled'])
-        project_id = kwargs.get('project_id', body['project_id'])
-        if 'default_project_id' in body.keys():
-            default_project_id = kwargs.get('default_project_id',
-                                            body['default_project_id'])
-        else:
-            default_project_id = kwargs.get('default_project_id')
-        description = kwargs.get('description', body['description'])
-        domain_id = kwargs.get('domain_id', body['domain_id'])
-        post_body = {
-            'name': name,
-            'email': email,
-            'enabled': en,
-            'project_id': project_id,
-            'default_project_id': default_project_id,
-            'id': user_id,
-            'domain_id': domain_id,
-            'description': description
-        }
-        post_body = json.dumps({'user': post_body})
+        if 'id' not in kwargs:
+            kwargs['id'] = user_id
+        post_body = json.dumps({'user': kwargs})
         resp, body = self.patch('users/%s' % user_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
@@ -87,15 +58,26 @@
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp)
 
-    def list_user_projects(self, user_id):
-        """Lists the projects on which a user has roles assigned."""
-        resp, body = self.get('users/%s/projects' % user_id)
+    def list_user_projects(self, user_id, **params):
+        """Lists the projects on which a user has roles assigned.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref/identity/v3/#list-projects-for-user
+        """
+        url = 'users/%s/projects' % user_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def list_users(self, params=None):
-        """Get the list of users."""
+    def list_users(self, **params):
+        """Get the list of users.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref/identity/v3/#list-users
+        """
         url = 'users'
         if params:
             url += '?%s' % urllib.urlencode(params)
@@ -117,9 +99,16 @@
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def list_user_groups(self, user_id):
-        """Lists groups which a user belongs to."""
-        resp, body = self.get('users/%s/groups' % user_id)
+    def list_user_groups(self, user_id, **params):
+        """Lists groups which a user belongs to.
+
+        Available params: see http://developer.openstack.org/
+            api-ref/identity/v3/#list-groups-to-which-a-user-belongs
+        """
+        url = 'users/%s/groups' % user_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/object_storage/object_client.py b/tempest/services/object_storage/object_client.py
index 33dba6e..0988373 100644
--- a/tempest/services/object_storage/object_client.py
+++ b/tempest/services/object_storage/object_client.py
@@ -237,37 +237,3 @@
         conn = httplib.HTTPConnection(parsed_url.netloc)
 
     return conn
-
-
-def put_object_connection(base_url, container, name, contents=None,
-                          chunk_size=65536, headers=None, query_string=None):
-    """Helper function to make connection to put object with httplib
-
-    :param base_url: base_url of an object client
-    :param container: container name that the object is in
-    :param name: object name to put
-    :param contents: a string or a file like object to read object data
-                     from; if None, a zero-byte put will be done
-    :param chunk_size: chunk size of data to write; it defaults to 65536;
-                       used only if the contents object has a 'read'
-                       method, eg. file-like objects, ignored otherwise
-    :param headers: additional headers to include in the request, if any
-    :param query_string: if set will be appended with '?' to generated path
-    """
-    parsed = urlparse.urlparse(base_url)
-
-    path = str(parsed.path) + "/"
-    path += "%s/%s" % (str(container), str(name))
-
-    conn = create_connection(parsed)
-
-    if query_string:
-        path += '?' + query_string
-    if headers:
-        headers = dict(headers)
-    else:
-        headers = {}
-
-    conn.request('PUT', path, contents, headers)
-
-    return conn
diff --git a/tempest/services/volume/base/admin/base_types_client.py b/tempest/services/volume/base/admin/base_types_client.py
index afca752..0b0e061 100755
--- a/tempest/services/volume/base/admin/base_types_client.py
+++ b/tempest/services/volume/base/admin/base_types_client.py
@@ -62,13 +62,13 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def show_volume_type(self, volume_id):
+    def show_volume_type(self, volume_type_id):
         """Returns the details of a single volume_type.
 
         Available params: see http://developer.openstack.org/
                               api-ref-blockstorage-v2.html#showVolumeType
         """
-        url = "types/%s" % str(volume_id)
+        url = "types/%s" % volume_type_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -86,24 +86,24 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def delete_volume_type(self, volume_id):
+    def delete_volume_type(self, volume_type_id):
         """Deletes the Specified Volume_type.
 
         Available params: see http://developer.openstack.org/
                               api-ref-blockstorage-v2.html#deleteVolumeType
         """
-        resp, body = self.delete("types/%s" % str(volume_id))
+        resp, body = self.delete("types/%s" % volume_type_id)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def list_volume_types_extra_specs(self, vol_type_id, **params):
+    def list_volume_types_extra_specs(self, volume_type_id, **params):
         """List all the volume_types extra specs created.
 
         TODO: Current api-site doesn't contain this API description.
         After fixing the api-site, we need to fix here also for putting
         the link to api-site.
         """
-        url = 'types/%s/extra_specs' % str(vol_type_id)
+        url = 'types/%s/extra_specs' % volume_type_id
         if params:
             url += '?%s' % urllib.urlencode(params)
 
@@ -112,40 +112,39 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def show_volume_type_extra_specs(self, vol_type_id, extra_specs_name):
+    def show_volume_type_extra_specs(self, volume_type_id, extra_specs_name):
         """Returns the details of a single volume_type extra spec."""
-        url = "types/%s/extra_specs/%s" % (str(vol_type_id),
-                                           str(extra_specs_name))
+        url = "types/%s/extra_specs/%s" % (volume_type_id, extra_specs_name)
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def create_volume_type_extra_specs(self, vol_type_id, extra_specs):
+    def create_volume_type_extra_specs(self, volume_type_id, extra_specs):
         """Creates a new Volume_type extra spec.
 
-        vol_type_id: Id of volume_type.
+        volume_type_id: Id of volume_type.
         extra_specs: A dictionary of values to be used as extra_specs.
         """
-        url = "types/%s/extra_specs" % str(vol_type_id)
+        url = "types/%s/extra_specs" % volume_type_id
         post_body = json.dumps({'extra_specs': extra_specs})
         resp, body = self.post(url, post_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def delete_volume_type_extra_specs(self, vol_id, extra_spec_name):
+    def delete_volume_type_extra_specs(self, volume_type_id, extra_spec_name):
         """Deletes the Specified Volume_type extra spec."""
         resp, body = self.delete("types/%s/extra_specs/%s" % (
-            (str(vol_id)), str(extra_spec_name)))
+            volume_type_id, extra_spec_name))
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def update_volume_type_extra_specs(self, vol_type_id, extra_spec_name,
+    def update_volume_type_extra_specs(self, volume_type_id, extra_spec_name,
                                        extra_specs):
         """Update a volume_type extra spec.
 
-        vol_type_id: Id of volume_type.
+        volume_type_id: Id of volume_type.
         extra_spec_name: Name of the extra spec to be updated.
         extra_spec: A dictionary of with key as extra_spec_name and the
                      updated value.
@@ -153,43 +152,42 @@
                               api-ref-blockstorage-v2.html#
                               updateVolumeTypeExtraSpecs
         """
-        url = "types/%s/extra_specs/%s" % (str(vol_type_id),
-                                           str(extra_spec_name))
+        url = "types/%s/extra_specs/%s" % (volume_type_id, extra_spec_name)
         put_body = json.dumps(extra_specs)
         resp, body = self.put(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def show_encryption_type(self, vol_type_id):
+    def show_encryption_type(self, volume_type_id):
         """Get the volume encryption type for the specified volume type.
 
-        vol_type_id: Id of volume_type.
+        volume_type_id: Id of volume_type.
         """
-        url = "/types/%s/encryption" % str(vol_type_id)
+        url = "/types/%s/encryption" % volume_type_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def create_encryption_type(self, vol_type_id, **kwargs):
+    def create_encryption_type(self, volume_type_id, **kwargs):
         """Create encryption type.
 
         TODO: Current api-site doesn't contain this API description.
         After fixing the api-site, we need to fix here also for putting
         the link to api-site.
         """
-        url = "/types/%s/encryption" % str(vol_type_id)
+        url = "/types/%s/encryption" % volume_type_id
         post_body = json.dumps({'encryption': kwargs})
         resp, body = self.post(url, post_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def delete_encryption_type(self, vol_type_id):
+    def delete_encryption_type(self, volume_type_id):
         """Delete the encryption type for the specified volume-type."""
         resp, body = self.delete(
-            "/types/%s/encryption/provider" % str(vol_type_id))
+            "/types/%s/encryption/provider" % volume_type_id)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
@@ -201,7 +199,7 @@
                               #createVolumeTypeAccessExt
         """
         post_body = json.dumps({'addProjectAccess': kwargs})
-        url = 'types/%s/action' % (volume_type_id)
+        url = 'types/%s/action' % volume_type_id
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
@@ -214,7 +212,7 @@
                               #removeVolumeTypeAccessExt
         """
         post_body = json.dumps({'removeProjectAccess': kwargs})
-        url = 'types/%s/action' % (volume_type_id)
+        url = 'types/%s/action' % volume_type_id
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
@@ -226,7 +224,7 @@
                               api-ref-blockstorage-v2.html#
                               listVolumeTypeAccessExt
         """
-        url = 'types/%s/os-volume-type-access' % (volume_type_id)
+        url = 'types/%s/os-volume-type-access' % volume_type_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
diff --git a/tempest/services/volume/v1/__init__.py b/tempest/services/volume/v1/__init__.py
index 52d2942..945d2f2 100644
--- a/tempest/services/volume/v1/__init__.py
+++ b/tempest/services/volume/v1/__init__.py
@@ -16,8 +16,8 @@
     AvailabilityZoneClient
 from tempest.lib.services.volume.v1.extensions_client import ExtensionsClient
 from tempest.lib.services.volume.v1.hosts_client import HostsClient
+from tempest.lib.services.volume.v1.quotas_client import QuotasClient
 from tempest.lib.services.volume.v1.services_client import ServicesClient
-from tempest.services.volume.v1.json.admin.quotas_client import QuotasClient
 from tempest.services.volume.v1.json.admin.types_client import TypesClient
 from tempest.services.volume.v1.json.backups_client import BackupsClient
 from tempest.services.volume.v1.json.qos_client import QosSpecsClient
diff --git a/tempest/services/volume/v1/json/admin/quotas_client.py b/tempest/services/volume/v1/json/admin/quotas_client.py
deleted file mode 100644
index 27fc301..0000000
--- a/tempest/services/volume/v1/json/admin/quotas_client.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
-#
-#    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.
-
-from tempest.services.volume.base.admin import base_quotas_client
-
-
-class QuotasClient(base_quotas_client.BaseQuotasClient):
-    """Client class to send CRUD Volume Type API V1 requests"""
diff --git a/tempest/services/volume/v2/__init__.py b/tempest/services/volume/v2/__init__.py
index 26fbc2b..80f7a94 100644
--- a/tempest/services/volume/v2/__init__.py
+++ b/tempest/services/volume/v2/__init__.py
@@ -16,8 +16,8 @@
     AvailabilityZoneClient
 from tempest.lib.services.volume.v2.extensions_client import ExtensionsClient
 from tempest.lib.services.volume.v2.hosts_client import HostsClient
+from tempest.lib.services.volume.v2.quotas_client import QuotasClient
 from tempest.lib.services.volume.v2.services_client import ServicesClient
-from tempest.services.volume.v2.json.admin.quotas_client import QuotasClient
 from tempest.services.volume.v2.json.admin.types_client import TypesClient
 from tempest.services.volume.v2.json.backups_client import BackupsClient
 from tempest.services.volume.v2.json.qos_client import QosSpecsClient
diff --git a/tempest/services/volume/v2/json/admin/quotas_client.py b/tempest/services/volume/v2/json/admin/quotas_client.py
deleted file mode 100644
index 11e0e22..0000000
--- a/tempest/services/volume/v2/json/admin/quotas_client.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright 2014 OpenStack Foundation
-# 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.
-
-from tempest.services.volume.base.admin import base_quotas_client
-
-
-class QuotasClient(base_quotas_client.BaseQuotasClient):
-    """Client class to send CRUD Volume V2 API requests"""
-    api_version = "v2"