diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index e4b104f..6c55015 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -135,7 +135,10 @@
 It is worth pointing out that each set of credentials in the accounts.yaml
 should have a unique project. This is required to provide proper isolation
 to the tests using the credentials, and failure to do this will likely cause
-unexpected failures in some tests.
+unexpected failures in some tests. Also, ensure that these projects and users
+used do not have any pre-existing resources created. Tempest assumes all
+tenants it's using are empty and may sporadically fail if there are unexpected
+resources present.
 
 When the keystone in the target cloud requires domain scoped tokens to
 perform admin actions, all pre-provisioned admin users must have a role
diff --git a/releasenotes/notes/add-new-identity-clients-as-library-3e6559d4bff3e776.yaml b/releasenotes/notes/add-new-identity-clients-as-library-3e6559d4bff3e776.yaml
new file mode 100644
index 0000000..9feb3c3
--- /dev/null
+++ b/releasenotes/notes/add-new-identity-clients-as-library-3e6559d4bff3e776.yaml
@@ -0,0 +1,9 @@
+---
+features:
+  - |
+    Define identity service clients as libraries
+    Add new service clients to the library interface so the other projects can use these modules as stable libraries without
+    any maintenance changes.
+
+      * regions_client(v3)
+      * services_client(v3)
diff --git a/setup.cfg b/setup.cfg
index 91ede20..50bf891 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,6 +17,7 @@
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
 
 [files]
 packages =
diff --git a/tempest/api/baremetal/admin/base.py b/tempest/api/baremetal/admin/base.py
index 2d3f190..ac5986c 100644
--- a/tempest/api/baremetal/admin/base.py
+++ b/tempest/api/baremetal/admin/base.py
@@ -99,7 +99,7 @@
     def create_chassis(cls, description=None):
         """Wrapper utility for creating test chassis.
 
-        :param description: A description of the chassis. if not supplied,
+        :param description: A description of the chassis. If not supplied,
             a random value will be generated.
         :return: Created chassis.
 
@@ -114,6 +114,7 @@
                     memory_mb=4096):
         """Wrapper utility for creating test baremetal nodes.
 
+        :param chassis_id: The unique identifier of the chassis.
         :param cpu_arch: CPU architecture of the node. Default: x86.
         :param cpus: Number of CPUs. Default: 8.
         :param local_gb: Disk size. Default: 10.
@@ -133,6 +134,7 @@
     def create_port(cls, node_id, address, extra=None, uuid=None):
         """Wrapper utility for creating test ports.
 
+        :param node_id: The unique identifier of the node.
         :param address: MAC address of the port.
         :param extra: Meta data of the port. If not supplied, an empty
             dictionary will be created.
@@ -150,7 +152,7 @@
     def delete_chassis(cls, chassis_id):
         """Deletes a chassis having the specified UUID.
 
-        :param uuid: The unique identifier of the chassis.
+        :param chassis_id: The unique identifier of the chassis.
         :return: Server response.
 
         """
@@ -166,7 +168,7 @@
     def delete_node(cls, node_id):
         """Deletes a node having the specified UUID.
 
-        :param uuid: The unique identifier of the node.
+        :param node_id: The unique identifier of the node.
         :return: Server response.
 
         """
@@ -182,7 +184,7 @@
     def delete_port(cls, port_id):
         """Deletes a port having the specified UUID.
 
-        :param uuid: The unique identifier of the port.
+        :param port_id: The unique identifier of the port.
         :return: Server response.
 
         """
diff --git a/tempest/api/compute/servers/test_list_server_filters.py b/tempest/api/compute/servers/test_list_server_filters.py
index 55d847c..26cbb090 100644
--- a/tempest/api/compute/servers/test_list_server_filters.py
+++ b/tempest/api/compute/servers/test_list_server_filters.py
@@ -271,14 +271,9 @@
             msg = 'fixed_network_name needs to be configured to run this test'
             raise self.skipException(msg)
         self.s1 = self.client.show_server(self.s1['id'])['server']
-        for addr_spec in self.s1['addresses'][self.fixed_network_name]:
-            ip = addr_spec['addr']
-            if addr_spec['version'] == 4:
-                params = {'ip': ip}
-                break
-        else:
-            msg = "Skipped until bug 1450859 is resolved"
-            raise self.skipException(msg)
+        # Get first ip address inspite of v4 or v6
+        addr_spec = self.s1['addresses'][self.fixed_network_name][0]
+        params = {'ip': addr_spec['addr']}
         body = self.client.list_servers(**params)
         servers = body['servers']
 
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 4a5bab5..062e920 100755
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -270,6 +270,9 @@
                                            'SHUTOFF')
 
         self.client.resize_server(self.server_id, self.flavor_ref_alt)
+        # NOTE(jlk): Explicitly delete the server to get a new one for later
+        # tests. Avoids resize down race issues.
+        self.addCleanup(self.delete_server, self.server_id)
         waiters.wait_for_server_status(self.client, self.server_id,
                                        'VERIFY_RESIZE')
 
@@ -285,10 +288,6 @@
             # NOTE(mriedem): tearDown requires the server to be started.
             self.client.start_server(self.server_id)
 
-        # NOTE(jlk): Explicitly delete the server to get a new one for later
-        # tests. Avoids resize down race issues.
-        self.addCleanup(self.delete_server, self.server_id)
-
     @test.idempotent_id('1499262a-9328-4eda-9068-db1ac57498d2')
     @testtools.skipUnless(CONF.compute_feature_enabled.resize,
                           'Resize not available.')
@@ -309,6 +308,9 @@
         # values after a resize is reverted
 
         self.client.resize_server(self.server_id, self.flavor_ref_alt)
+        # NOTE(zhufl): Explicitly delete the server to get a new one for later
+        # tests. Avoids resize down race issues.
+        self.addCleanup(self.delete_server, self.server_id)
         waiters.wait_for_server_status(self.client, self.server_id,
                                        'VERIFY_RESIZE')
 
diff --git a/tempest/api/image/base.py b/tempest/api/image/base.py
index 78e53b4..e7a46b0 100755
--- a/tempest/api/image/base.py
+++ b/tempest/api/image/base.py
@@ -144,6 +144,18 @@
         cls.resource_types_client = cls.os.resource_types_client
         cls.schemas_client = cls.os.schemas_client
 
+    def create_namespace(cls, namespace_name=None, visibility='public',
+                         description='Tempest', protected=False,
+                         **kwargs):
+        if not namespace_name:
+            namespace_name = data_utils.rand_name('test-ns')
+        kwargs.setdefault('display_name', namespace_name)
+        namespace = cls.namespaces_client.create_namespace(
+            namespace=namespace_name, visibility=visibility,
+            description=description, protected=protected, **kwargs)
+        cls.addCleanup(cls.namespaces_client.delete_namespace, namespace_name)
+        return namespace
+
 
 class BaseV2MemberImageTest(BaseV2ImageTest):
 
diff --git a/tempest/api/image/v2/test_images_metadefs_resource_types.py b/tempest/api/image/v2/test_images_metadefs_resource_types.py
new file mode 100644
index 0000000..a5143a1
--- /dev/null
+++ b/tempest/api/image/v2/test_images_metadefs_resource_types.py
@@ -0,0 +1,54 @@
+# Copyright 2016 Ericsson India Global Services Private Limited
+# 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.api.image import base
+from tempest import test
+
+
+class MetadataResourceTypesTest(base.BaseV2ImageTest):
+    """Test the Metadata definition ressource types basic functionality"""
+
+    @test.idempotent_id('6f358a4e-5ef0-11e6-a795-080027d0d606')
+    def test_basic_meta_def_resource_type_association(self):
+        # Get the available resource types and use one resource_type
+        body = self.resource_types_client.list_resource_types()
+        resource_name = body['resource_types'][0]['name']
+        # Create a namespace
+        namespace = self.create_namespace()
+        # Create resource type association
+        body = self.resource_types_client.create_resource_type_association(
+            namespace['namespace'], name=resource_name)
+        self.assertEqual(body['name'], resource_name)
+        # NOTE(raiesmh08): Here intentionally I have not added addcleanup
+        # method for resource type dissociation because its a metadata add and
+        # being cleaned as soon as namespace is cleaned at test case level.
+        # When namespace cleans, resource type associaion will automatically
+        # clean without any error or dependency.
+
+        # List resource type associations and validate creation
+        rs_type_associations = [
+            rs_type_association['name'] for rs_type_association in
+            self.resource_types_client.list_resource_type_association(
+                namespace['namespace'])['resource_type_associations']]
+        self.assertIn(resource_name, rs_type_associations)
+        # Delete resource type association
+        self.resource_types_client.delete_resource_type_association(
+            namespace['namespace'], resource_name)
+        # List resource type associations and validate deletion
+        rs_type_associations = [
+            rs_type_association['name'] for rs_type_association in
+            self.resource_types_client.list_resource_type_association(
+                namespace['namespace'])['resource_type_associations']]
+        self.assertNotIn(resource_name, rs_type_associations)
diff --git a/tempest/api/network/admin/test_floating_ips_admin_actions.py b/tempest/api/network/admin/test_floating_ips_admin_actions.py
index baeaa0c..2686af2 100644
--- a/tempest/api/network/admin/test_floating_ips_admin_actions.py
+++ b/tempest/api/network/admin/test_floating_ips_admin_actions.py
@@ -26,6 +26,13 @@
     credentials = ['primary', 'alt', 'admin']
 
     @classmethod
+    def skip_checks(cls):
+        super(FloatingIPAdminTestJSON, cls).skip_checks()
+        if not test.is_extension_enabled('router', 'network'):
+            msg = "router extension not enabled."
+            raise cls.skipException(msg)
+
+    @classmethod
     def setup_clients(cls):
         super(FloatingIPAdminTestJSON, cls).setup_clients()
         cls.alt_floating_ips_client = cls.alt_manager.floating_ips_client
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index 9e7c795..5c67d68 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -270,7 +270,7 @@
         """Wrapper utility that returns a test metering label."""
         body = cls.admin_metering_labels_client.create_metering_label(
             description=description,
-            name=data_utils.rand_name("metering-label"))
+            name=name)
         metering_label = body['metering_label']
         cls.metering_labels.append(metering_label)
         return metering_label
diff --git a/tempest/api/volume/admin/test_backends_capabilities.py b/tempest/api/volume/admin/test_backends_capabilities.py
new file mode 100644
index 0000000..8a21853
--- /dev/null
+++ b/tempest/api/volume/admin/test_backends_capabilities.py
@@ -0,0 +1,79 @@
+# Copyright 2016 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.
+
+import operator
+
+from tempest.api.volume import base
+from tempest import test
+
+
+class BackendsCapabilitiesAdminV2TestsJSON(base.BaseVolumeAdminTest):
+
+    CAPABILITIES = ('namespace',
+                    'vendor_name',
+                    'volume_backend_name',
+                    'pool_name',
+                    'driver_version',
+                    'storage_protocol',
+                    'display_name',
+                    'description',
+                    'visibility',
+                    'properties')
+
+    @classmethod
+    def resource_setup(cls):
+        super(BackendsCapabilitiesAdminV2TestsJSON, cls).resource_setup()
+        # Get host list, formation: host@backend-name
+        cls.hosts = [
+            pool['name'] for pool in
+            cls.admin_volume_client.show_pools()['pools']
+        ]
+
+    @test.idempotent_id('3750af44-5ea2-4cd4-bc3e-56e7e6caf854')
+    def test_get_capabilities_backend(self):
+        # Test backend properties
+        backend = self.admin_volume_client.show_backend_capabilities(
+            self.hosts[0])
+
+        # Verify getting capabilities parameters from a backend
+        for key in self.CAPABILITIES:
+            self.assertIn(key, backend)
+
+    @test.idempotent_id('a9035743-d46a-47c5-9cb7-3c80ea16dea0')
+    def test_compare_volume_stats_values(self):
+        # Test values comparison between show_backend_capabilities
+        # to show_pools
+        VOLUME_STATS = ('vendor_name',
+                        'volume_backend_name',
+                        'storage_protocol')
+
+        # Get list backend capabilities using show_pools
+        cinder_pools = [
+            pool['capabilities'] for pool in
+            self.admin_volume_client.show_pools(detail=True)['pools']
+        ]
+
+        # Get list backends capabilities using show_backend_capabilities
+        capabilities = [
+            self.admin_volume_client.show_backend_capabilities(
+                host=host) for host in self.hosts
+        ]
+
+        # Returns a tuple of VOLUME_STATS values
+        expected_list = map(operator.itemgetter(*VOLUME_STATS),
+                            cinder_pools)
+        observed_list = map(operator.itemgetter(*VOLUME_STATS),
+                            capabilities)
+        self.assertEqual(expected_list, observed_list)
diff --git a/tempest/api/volume/admin/test_volume_services.py b/tempest/api/volume/admin/test_volume_services.py
index 755365d..165874b 100644
--- a/tempest/api/volume/admin/test_volume_services.py
+++ b/tempest/api/volume/admin/test_volume_services.py
@@ -79,7 +79,7 @@
         services = (self.admin_volume_services_client.list_services(
             host=self.host_name, binary=self.binary_name))['services']
 
-        self.assertEqual(1, len(services))
+        self.assertNotEqual(0, len(services))
         self.assertEqual(self.host_name, _get_host(services[0]['host']))
         self.assertEqual(self.binary_name, services[0]['binary'])
 
diff --git a/tempest/api/volume/v2/test_volumes_list.py b/tempest/api/volume/v2/test_volumes_list.py
index c501ffc..60a35b0 100644
--- a/tempest/api/volume/v2/test_volumes_list.py
+++ b/tempest/api/volume/v2/test_volumes_list.py
@@ -42,11 +42,13 @@
         super(VolumesV2ListTestJSON, cls).resource_setup()
 
         # Create 3 test volumes
-        cls.volume_id_list = []
         cls.metadata = {'Type': 'work'}
+        # NOTE(zhufl): When using pre-provisioned credentials, the project
+        # may have volumes other than those created below.
+        existing_volumes = cls.client.list_volumes()['volumes']
+        cls.volume_id_list = [vol['id'] for vol in existing_volumes]
         for i in range(3):
             volume = cls.create_volume(metadata=cls.metadata)
-            volume = cls.client.show_volume(volume['id'])['volume']
             cls.volume_id_list.append(volume['id'])
 
     @test.idempotent_id('2a7064eb-b9c3-429b-b888-33928fc5edd3')
diff --git a/tempest/common/utils/net_utils.py b/tempest/common/utils/net_utils.py
index fd0391d..f0d3da3 100644
--- a/tempest/common/utils/net_utils.py
+++ b/tempest/common/utils/net_utils.py
@@ -37,6 +37,11 @@
         for fixed_ip in port.get('fixed_ips'):
             alloc_set.add(fixed_ip['ip_address'])
 
+    # exclude gateway_ip of subnet
+    gateway_ip = subnet['subnet']['gateway_ip']
+    if gateway_ip:
+        alloc_set.add(gateway_ip)
+
     av_set = subnet_set - alloc_set
     addrs = []
     for cidr in reversed(av_set.iter_cidrs()):
diff --git a/tempest/lib/base.py b/tempest/lib/base.py
index f687343..33a32ee 100644
--- a/tempest/lib/base.py
+++ b/tempest/lib/base.py
@@ -42,7 +42,7 @@
     def setUp(self):
         super(BaseTestCase, self).setUp()
         if not self.setUpClassCalled:
-            raise RuntimeError("setUpClass does not calls the super's"
+            raise RuntimeError("setUpClass does not calls the super's "
                                "setUpClass in the "
                                + self.__class__.__name__)
         test_timeout = os.environ.get('OS_TEST_TIMEOUT', 0)
diff --git a/tempest/lib/common/rest_client.py b/tempest/lib/common/rest_client.py
index 5c5d3c2..349f0d3 100644
--- a/tempest/lib/common/rest_client.py
+++ b/tempest/lib/common/rest_client.py
@@ -893,11 +893,11 @@
                                         cls=JSONSCHEMA_VALIDATOR,
                                         format_checker=FORMAT_CHECKER)
                 except jsonschema.ValidationError as ex:
-                    msg = ("HTTP response body is invalid (%s)") % ex
+                    msg = ("HTTP response body is invalid (%s)" % ex)
                     raise exceptions.InvalidHTTPResponseBody(msg)
             else:
                 if body:
-                    msg = ("HTTP response body should not exist (%s)") % body
+                    msg = ("HTTP response body should not exist (%s)" % body)
                     raise exceptions.InvalidHTTPResponseBody(msg)
 
             # Check the header of a response
@@ -908,7 +908,7 @@
                                         cls=JSONSCHEMA_VALIDATOR,
                                         format_checker=FORMAT_CHECKER)
                 except jsonschema.ValidationError as ex:
-                    msg = ("HTTP response header is invalid (%s)") % ex
+                    msg = ("HTTP response header is invalid (%s)" % ex)
                     raise exceptions.InvalidHTTPResponseHeader(msg)
 
 
diff --git a/tempest/lib/services/compute/images_client.py b/tempest/lib/services/compute/images_client.py
index da8a61e..3dc3749 100644
--- a/tempest/lib/services/compute/images_client.py
+++ b/tempest/lib/services/compute/images_client.py
@@ -61,7 +61,6 @@
     def show_image(self, image_id):
         """Return the details of a single image."""
         resp, body = self.get("images/%s" % image_id)
-        self.expected_success(200, resp.status)
         body = json.loads(body)
         self.validate_response(schema.get_image, resp, body)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/identity/v2/roles_client.py b/tempest/lib/services/identity/v2/roles_client.py
index 15c8834..aaa75f1 100644
--- a/tempest/lib/services/identity/v2/roles_client.py
+++ b/tempest/lib/services/identity/v2/roles_client.py
@@ -66,7 +66,7 @@
         Available params: see http://developer.openstack.org/
                               api-ref-identity-v2-ext.html#deleteRole
         """
-        resp, body = self.delete('OS-KSADM/roles/%s' % str(role_id))
+        resp, body = self.delete('OS-KSADM/roles/%s' % role_id)
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
diff --git a/tempest/services/identity/v3/json/regions_client.py b/tempest/lib/services/identity/v3/regions_client.py
similarity index 100%
rename from tempest/services/identity/v3/json/regions_client.py
rename to tempest/lib/services/identity/v3/regions_client.py
diff --git a/tempest/services/identity/v3/json/services_client.py b/tempest/lib/services/identity/v3/services_client.py
similarity index 100%
rename from tempest/services/identity/v3/json/services_client.py
rename to tempest/lib/services/identity/v3/services_client.py
diff --git a/tempest/lib/services/image/v2/resource_types_client.py b/tempest/lib/services/image/v2/resource_types_client.py
index 1349c63..8f2a977 100644
--- a/tempest/lib/services/image/v2/resource_types_client.py
+++ b/tempest/lib/services/image/v2/resource_types_client.py
@@ -22,8 +22,54 @@
     api_version = "v2"
 
     def list_resource_types(self):
+        """Lists all resource types.
+
+         Available params: see http://developer.openstack.org/
+                               api-ref/image/v2/metadefs-index.html?expanded=#
+                               list-resource-types
+         """
         url = 'metadefs/resource_types'
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
+
+    def create_resource_type_association(self, namespace_id, **kwargs):
+        """Creates a resource type association in given namespace.
+
+         Available params: see http://developer.openstack.org/
+                               api-ref/image/v2/metadefs-index.html?expanded=#
+                               create-resource-type-association
+         """
+        url = 'metadefs/namespaces/%s/resource_types' % namespace_id
+        data = json.dumps(kwargs)
+        resp, body = self.post(url, data)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def list_resource_type_association(self, namespace_id):
+        """Lists resource type associations in given namespace.
+
+         Available params: see http://developer.openstack.org/
+                               api-ref/image/v2/metadefs-index.html?expanded=#
+                               list-resource-type-associations
+         """
+        url = 'metadefs/namespaces/%s/resource_types' % namespace_id
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_resource_type_association(self, namespace_id, resource_name):
+        """Removes resource type association in given namespace.
+
+         Available params: see http://developer.openstack.org/
+                               api-ref/image/v2/metadefs-index.html?expanded=#
+                               remove-resource-type-association
+         """
+        url = 'metadefs/namespaces/%s/resource_types/%s' % (namespace_id,
+                                                            resource_name)
+        resp, _ = self.delete(url)
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp)
diff --git a/tempest/lib/services/network/agents_client.py b/tempest/lib/services/network/agents_client.py
index c5d4c66..9bdf090 100644
--- a/tempest/lib/services/network/agents_client.py
+++ b/tempest/lib/services/network/agents_client.py
@@ -44,7 +44,7 @@
         # link to api-site.
         # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526670
         uri = '/agents/%s/l3-routers' % agent_id
-        return self.create_resource(uri, kwargs)
+        return self.create_resource(uri, kwargs, expect_empty_body=True)
 
     def delete_router_from_l3_agent(self, agent_id, router_id):
         uri = '/agents/%s/l3-routers/%s' % (agent_id, router_id)
@@ -65,4 +65,4 @@
         # link to api-site.
         # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526212
         uri = '/agents/%s/dhcp-networks' % agent_id
-        return self.create_resource(uri, kwargs)
+        return self.create_resource(uri, kwargs, expect_empty_body=True)
diff --git a/tempest/lib/services/network/base.py b/tempest/lib/services/network/base.py
index 620e0f1..b6f9c91 100644
--- a/tempest/lib/services/network/base.py
+++ b/tempest/lib/services/network/base.py
@@ -63,6 +63,8 @@
         # body. Otherwise we returns the body as it is.
         if not expect_empty_body:
             body = json.loads(body)
+        else:
+            body = None
         self.expected_success(201, resp.status)
         return rest_client.ResponseBody(resp, body)
 
@@ -75,5 +77,7 @@
         # body. Otherwise we returns the body as it is.
         if not expect_empty_body:
             body = json.loads(body)
+        else:
+            body = None
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v3/__init__.py b/tempest/services/identity/v3/__init__.py
index 6ad8ef2..a4e55d4 100644
--- a/tempest/services/identity/v3/__init__.py
+++ b/tempest/services/identity/v3/__init__.py
@@ -14,6 +14,8 @@
 
 from tempest.lib.services.identity.v3.endpoints_client import EndPointsClient
 from tempest.lib.services.identity.v3.policies_client import PoliciesClient
+from tempest.lib.services.identity.v3.regions_client import RegionsClient
+from tempest.lib.services.identity.v3.services_client import ServicesClient
 from tempest.lib.services.identity.v3.token_client import V3TokenClient
 from tempest.services.identity.v3.json.credentials_client import \
     CredentialsClient
@@ -21,13 +23,11 @@
 from tempest.services.identity.v3.json.groups_client import GroupsClient
 from tempest.services.identity.v3.json.identity_client import IdentityClient
 from tempest.services.identity.v3.json.projects_client import ProjectsClient
-from tempest.services.identity.v3.json.regions_client import RegionsClient
 from tempest.services.identity.v3.json.roles_client import RolesClient
-from tempest.services.identity.v3.json.services_client import ServicesClient
 from tempest.services.identity.v3.json.trusts_client import TrustsClient
 from tempest.services.identity.v3.json.users_clients import UsersClient
 
-__all__ = ['EndPointsClient', 'PoliciesClient', 'V3TokenClient',
-           'CredentialsClient', 'DomainsClient', 'GroupsClient',
-           'IdentityClient', 'ProjectsClient', 'RegionsClient', 'RolesClient',
-           'ServicesClient', 'TrustsClient', 'UsersClient', ]
+__all__ = ['EndPointsClient', 'PoliciesClient', 'RegionsClient',
+           'ServicesClient', 'V3TokenClient', 'CredentialsClient',
+           'DomainsClient', 'GroupsClient', 'IdentityClient', 'ProjectsClient',
+           'RolesClient', 'TrustsClient', 'UsersClient', ]
diff --git a/tempest/services/identity/v3/json/domains_client.py b/tempest/services/identity/v3/json/domains_client.py
index d129a0a..fe929a5 100644
--- a/tempest/services/identity/v3/json/domains_client.py
+++ b/tempest/services/identity/v3/json/domains_client.py
@@ -38,7 +38,7 @@
 
     def delete_domain(self, domain_id):
         """Deletes a domain."""
-        resp, body = self.delete('domains/%s' % str(domain_id))
+        resp, body = self.delete('domains/%s' % domain_id)
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
diff --git a/tempest/services/identity/v3/json/groups_client.py b/tempest/services/identity/v3/json/groups_client.py
index 628b3e1..3674496 100644
--- a/tempest/services/identity/v3/json/groups_client.py
+++ b/tempest/services/identity/v3/json/groups_client.py
@@ -73,7 +73,7 @@
 
     def delete_group(self, group_id):
         """Delete a group."""
-        resp, body = self.delete('groups/%s' % str(group_id))
+        resp, body = self.delete('groups/%s' % group_id)
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
diff --git a/tempest/services/identity/v3/json/projects_client.py b/tempest/services/identity/v3/json/projects_client.py
index 97e43df..ce2f38d 100644
--- a/tempest/services/identity/v3/json/projects_client.py
+++ b/tempest/services/identity/v3/json/projects_client.py
@@ -68,6 +68,6 @@
 
     def delete_project(self, project_id):
         """Delete a project."""
-        resp, body = self.delete('projects/%s' % str(project_id))
+        resp, body = self.delete('projects/%s' % project_id)
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v3/json/roles_client.py b/tempest/services/identity/v3/json/roles_client.py
index bdb0490..aab203f 100644
--- a/tempest/services/identity/v3/json/roles_client.py
+++ b/tempest/services/identity/v3/json/roles_client.py
@@ -34,7 +34,7 @@
 
     def show_role(self, role_id):
         """GET a Role."""
-        resp, body = self.get('roles/%s' % str(role_id))
+        resp, body = self.get('roles/%s' % role_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
@@ -53,14 +53,14 @@
                           api-ref-identity-v3.html#updateRole
         """
         post_body = json.dumps({'role': kwargs})
-        resp, body = self.patch('roles/%s' % str(role_id), post_body)
+        resp, body = self.patch('roles/%s' % role_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
     def delete_role(self, role_id):
         """Delete a role."""
-        resp, body = self.delete('roles/%s' % str(role_id))
+        resp, body = self.delete('roles/%s' % role_id)
         self.expected_success(204, resp.status)
         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 0988373..a7db30e 100644
--- a/tempest/services/object_storage/object_client.py
+++ b/tempest/services/object_storage/object_client.py
@@ -42,12 +42,6 @@
         self.expected_success(201, resp.status)
         return resp, body
 
-    def update_object(self, container, object_name, data):
-        """Upload data to replace current storage object."""
-        resp, body = self.create_object(container, object_name, data)
-        self.expected_success(201, resp.status)
-        return resp, body
-
     def delete_object(self, container, object_name, params=None):
         """Delete storage object."""
         url = "%s/%s" % (str(container), str(object_name))
diff --git a/tempest/services/volume/base/admin/base_types_client.py b/tempest/services/volume/base/admin/base_types_client.py
index 2effaae..83870ae 100755
--- a/tempest/services/volume/base/admin/base_types_client.py
+++ b/tempest/services/volume/base/admin/base_types_client.py
@@ -202,42 +202,3 @@
             "/types/%s/encryption/provider" % volume_type_id)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
-
-    def add_type_access(self, volume_type_id, **kwargs):
-        """Adds volume type access for the given project.
-
-        Available params: see http://developer.openstack.org/
-                              api-ref-blockstorage-v2.html
-                              #createVolumeTypeAccessExt
-        """
-        post_body = json.dumps({'addProjectAccess': kwargs})
-        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)
-
-    def remove_type_access(self, volume_type_id, **kwargs):
-        """Removes volume type access for the given project.
-
-        Available params: see http://developer.openstack.org/
-                              api-ref-blockstorage-v2.html
-                              #removeVolumeTypeAccessExt
-        """
-        post_body = json.dumps({'removeProjectAccess': kwargs})
-        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)
-
-    def list_type_access(self, volume_type_id):
-        """Print access information about the given volume type.
-
-        Available params: see http://developer.openstack.org/
-                              api-ref-blockstorage-v2.html#
-                              listVolumeTypeAccessExt
-        """
-        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)
-        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/volume/base/base_backups_client.py b/tempest/services/volume/base/base_backups_client.py
index fc247a9..a57e628 100644
--- a/tempest/services/volume/base/base_backups_client.py
+++ b/tempest/services/volume/base/base_backups_client.py
@@ -51,13 +51,13 @@
 
     def delete_backup(self, backup_id):
         """Delete a backup of volume."""
-        resp, body = self.delete('backups/%s' % (str(backup_id)))
+        resp, body = self.delete('backups/%s' % backup_id)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
     def show_backup(self, backup_id):
         """Returns the details of a single backup."""
-        url = "backups/%s" % str(backup_id)
+        url = "backups/%s" % backup_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
diff --git a/tempest/services/volume/base/base_qos_client.py b/tempest/services/volume/base/base_qos_client.py
index 2d9f02a..e00ac68 100644
--- a/tempest/services/volume/base/base_qos_client.py
+++ b/tempest/services/volume/base/base_qos_client.py
@@ -82,7 +82,7 @@
     def delete_qos(self, qos_id, force=False):
         """Delete the specified QoS specification."""
         resp, body = self.delete(
-            "qos-specs/%s?force=%s" % (str(qos_id), force))
+            "qos-specs/%s?force=%s" % (qos_id, force))
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
@@ -96,7 +96,7 @@
 
     def show_qos(self, qos_id):
         """Get the specified QoS specification."""
-        url = "qos-specs/%s" % str(qos_id)
+        url = "qos-specs/%s" % qos_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -128,7 +128,7 @@
 
     def associate_qos(self, qos_id, vol_type_id):
         """Associate the specified QoS with specified volume-type."""
-        url = "qos-specs/%s/associate" % str(qos_id)
+        url = "qos-specs/%s/associate" % qos_id
         url += "?vol_type_id=%s" % vol_type_id
         resp, body = self.get(url)
         self.expected_success(202, resp.status)
@@ -136,7 +136,7 @@
 
     def show_association_qos(self, qos_id):
         """Get the association of the specified QoS specification."""
-        url = "qos-specs/%s/associations" % str(qos_id)
+        url = "qos-specs/%s/associations" % qos_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -144,7 +144,7 @@
 
     def disassociate_qos(self, qos_id, vol_type_id):
         """Disassociate the specified QoS with specified volume-type."""
-        url = "qos-specs/%s/disassociate" % str(qos_id)
+        url = "qos-specs/%s/disassociate" % qos_id
         url += "?vol_type_id=%s" % vol_type_id
         resp, body = self.get(url)
         self.expected_success(202, resp.status)
@@ -152,7 +152,7 @@
 
     def disassociate_all_qos(self, qos_id):
         """Disassociate the specified QoS with all associations."""
-        url = "qos-specs/%s/disassociate_all" % str(qos_id)
+        url = "qos-specs/%s/disassociate_all" % qos_id
         resp, body = self.get(url)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/volume/base/base_snapshots_client.py b/tempest/services/volume/base/base_snapshots_client.py
index 7a8e12b..38a6dc7 100755
--- a/tempest/services/volume/base/base_snapshots_client.py
+++ b/tempest/services/volume/base/base_snapshots_client.py
@@ -45,7 +45,7 @@
         Available params: see http://developer.openstack.org/
                               api-ref-blockstorage-v2.html#showSnapshot
         """
-        url = "snapshots/%s" % str(snapshot_id)
+        url = "snapshots/%s" % snapshot_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -81,7 +81,7 @@
         Available params: see http://developer.openstack.org/
                               api-ref-blockstorage-v2.html#deleteSnapshot
         """
-        resp, body = self.delete("snapshots/%s" % str(snapshot_id))
+        resp, body = self.delete("snapshots/%s" % snapshot_id)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
@@ -112,7 +112,7 @@
         # Bug https://bugs.launchpad.net/openstack-api-site/+bug/1532645
 
         post_body = json.dumps({'os-update_snapshot_status': kwargs})
-        url = 'snapshots/%s/action' % str(snapshot_id)
+        url = 'snapshots/%s/action' % snapshot_id
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
@@ -120,7 +120,7 @@
     def create_snapshot_metadata(self, snapshot_id, metadata):
         """Create metadata for the snapshot."""
         put_body = json.dumps({'metadata': metadata})
-        url = "snapshots/%s/metadata" % str(snapshot_id)
+        url = "snapshots/%s/metadata" % snapshot_id
         resp, body = self.post(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -133,7 +133,7 @@
                               api-ref-blockstorage-v2.html#
                               showSnapshotMetadata
         """
-        url = "snapshots/%s/metadata" % str(snapshot_id)
+        url = "snapshots/%s/metadata" % snapshot_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -147,7 +147,7 @@
                               updateSnapshotMetadata
         """
         put_body = json.dumps(kwargs)
-        url = "snapshots/%s/metadata" % str(snapshot_id)
+        url = "snapshots/%s/metadata" % snapshot_id
         resp, body = self.put(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -160,7 +160,7 @@
         # link to api-site.
         # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1529064
         put_body = json.dumps(kwargs)
-        url = "snapshots/%s/metadata/%s" % (str(snapshot_id), str(id))
+        url = "snapshots/%s/metadata/%s" % (snapshot_id, id)
         resp, body = self.put(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -168,7 +168,7 @@
 
     def delete_snapshot_metadata_item(self, snapshot_id, id):
         """Delete metadata item for the snapshot."""
-        url = "snapshots/%s/metadata/%s" % (str(snapshot_id), str(id))
+        url = "snapshots/%s/metadata/%s" % (snapshot_id, id)
         resp, body = self.delete(url)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/volume/base/base_volumes_client.py b/tempest/services/volume/base/base_volumes_client.py
index d694c53..273dbbb 100755
--- a/tempest/services/volume/base/base_volumes_client.py
+++ b/tempest/services/volume/base/base_volumes_client.py
@@ -63,7 +63,11 @@
         return rest_client.ResponseBody(resp, body)
 
     def show_pools(self, detail=False):
-        # List all the volumes pools (hosts)
+        """List all the volumes pools (hosts).
+
+        Output params: see http://developer.openstack.org/
+                           api-ref-blockstorage-v2.html#listPools
+        """
         url = 'scheduler-stats/get_pools'
         if detail:
             url += '?detail=True'
@@ -73,9 +77,22 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
+    def show_backend_capabilities(self, host):
+        """Shows capabilities for a storage back end.
+
+         Output params: see http://developer.openstack.org/
+                            api-ref-blockstorage-v2.html
+                            #showBackendCapabilities
+        """
+        url = 'capabilities/%s' % host
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.expected_success(200, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
     def show_volume(self, volume_id):
         """Returns the details of a single volume."""
-        url = "volumes/%s" % str(volume_id)
+        url = "volumes/%s" % volume_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -109,7 +126,7 @@
 
     def delete_volume(self, volume_id):
         """Deletes the Specified Volume."""
-        resp, body = self.delete("volumes/%s" % str(volume_id))
+        resp, body = self.delete("volumes/%s" % volume_id)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
@@ -231,7 +248,7 @@
 
     def show_volume_transfer(self, transfer_id):
         """Returns the details of a volume transfer."""
-        url = "os-volume-transfer/%s" % str(transfer_id)
+        url = "os-volume-transfer/%s" % transfer_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -253,7 +270,7 @@
 
     def delete_volume_transfer(self, transfer_id):
         """Delete a volume transfer."""
-        resp, body = self.delete("os-volume-transfer/%s" % str(transfer_id))
+        resp, body = self.delete("os-volume-transfer/%s" % transfer_id)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
 
@@ -288,7 +305,7 @@
     def create_volume_metadata(self, volume_id, metadata):
         """Create metadata for the volume."""
         put_body = json.dumps({'metadata': metadata})
-        url = "volumes/%s/metadata" % str(volume_id)
+        url = "volumes/%s/metadata" % volume_id
         resp, body = self.post(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -296,7 +313,7 @@
 
     def show_volume_metadata(self, volume_id):
         """Get metadata of the volume."""
-        url = "volumes/%s/metadata" % str(volume_id)
+        url = "volumes/%s/metadata" % volume_id
         resp, body = self.get(url)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -305,7 +322,7 @@
     def update_volume_metadata(self, volume_id, metadata):
         """Update metadata for the volume."""
         put_body = json.dumps({'metadata': metadata})
-        url = "volumes/%s/metadata" % str(volume_id)
+        url = "volumes/%s/metadata" % volume_id
         resp, body = self.put(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -314,7 +331,7 @@
     def update_volume_metadata_item(self, volume_id, id, meta_item):
         """Update metadata item for the volume."""
         put_body = json.dumps({'meta': meta_item})
-        url = "volumes/%s/metadata/%s" % (str(volume_id), str(id))
+        url = "volumes/%s/metadata/%s" % (volume_id, id)
         resp, body = self.put(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
@@ -322,7 +339,7 @@
 
     def delete_volume_metadata_item(self, volume_id, id):
         """Delete metadata item for the volume."""
-        url = "volumes/%s/metadata/%s" % (str(volume_id), str(id))
+        url = "volumes/%s/metadata/%s" % (volume_id, id)
         resp, body = self.delete(url)
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/volume/v2/json/admin/types_client.py b/tempest/services/volume/v2/json/admin/types_client.py
index ecf5131..f76e8dc 100644
--- a/tempest/services/volume/v2/json/admin/types_client.py
+++ b/tempest/services/volume/v2/json/admin/types_client.py
@@ -13,9 +13,51 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from oslo_serialization import jsonutils as json
+
+from tempest.lib.common import rest_client
 from tempest.services.volume.base.admin import base_types_client
 
 
 class TypesClient(base_types_client.BaseTypesClient):
     """Client class to send CRUD Volume V2 API requests"""
     api_version = "v2"
+
+    def add_type_access(self, volume_type_id, **kwargs):
+        """Adds volume type access for the given project.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v2.html
+                              #createVolumeTypeAccessExt
+        """
+        post_body = json.dumps({'addProjectAccess': kwargs})
+        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)
+
+    def remove_type_access(self, volume_type_id, **kwargs):
+        """Removes volume type access for the given project.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v2.html
+                              #removeVolumeTypeAccessExt
+        """
+        post_body = json.dumps({'removeProjectAccess': kwargs})
+        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)
+
+    def list_type_access(self, volume_type_id):
+        """Print access information about the given volume type.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v2.html#
+                              listVolumeTypeAccessExt
+        """
+        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)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/tests/lib/services/identity/v3/test_regions_client.py b/tempest/tests/lib/services/identity/v3/test_regions_client.py
new file mode 100644
index 0000000..a2cb86f
--- /dev/null
+++ b/tempest/tests/lib/services/identity/v3/test_regions_client.py
@@ -0,0 +1,125 @@
+# Copyright 2016 Red Hat, Inc.
+#
+# 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.lib.services.identity.v3 import regions_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestRegionsClient(base.BaseServiceTest):
+    FAKE_CREATE_REGION = {
+        "region": {
+            "description": "My subregion",
+            "id": "RegionOneSubRegion",
+            "parent_region_id": "RegionOne"
+            }
+        }
+
+    FAKE_REGION_INFO = {
+        "region": {
+            "description": "My subregion 3",
+            "id": "RegionThree",
+            "links": {
+                "self": "http://example.com/identity/v3/regions/RegionThree"
+                },
+            "parent_region_id": "RegionOne"
+            }
+        }
+
+    FAKE_LIST_REGIONS = {
+        "links": {
+            "next": None,
+            "previous": None,
+            "self": "http://example.com/identity/v3/regions"
+            },
+        "regions": [
+            {
+                "description": "",
+                "id": "RegionOne",
+                "links": {
+                    "self": "http://example.com/identity/v3/regions/RegionOne"
+                    },
+                "parent_region_id": None
+                }
+            ]
+        }
+
+    def setUp(self):
+        super(TestRegionsClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = regions_client.RegionsClient(fake_auth, 'identity',
+                                                   'regionOne')
+
+    def _test_create_region(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_region,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_CREATE_REGION,
+            bytes_body,
+            status=201)
+
+    def _test_show_region(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_region,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_REGION_INFO,
+            bytes_body,
+            region_id="RegionThree")
+
+    def _test_list_regions(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_regions,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_REGIONS,
+            bytes_body)
+
+    def _test_update_region(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_region,
+            'tempest.lib.common.rest_client.RestClient.patch',
+            self.FAKE_REGION_INFO,
+            bytes_body,
+            region_id="RegionThree")
+
+    def test_create_region_with_str_body(self):
+        self._test_create_region()
+
+    def test_create_region_with_bytes_body(self):
+        self._test_create_region(bytes_body=True)
+
+    def test_show_region_with_str_body(self):
+        self._test_show_region()
+
+    def test_show_region_with_bytes_body(self):
+        self._test_show_region(bytes_body=True)
+
+    def test_list_regions_with_str_body(self):
+        self._test_list_regions()
+
+    def test_list_regions_with_bytes_body(self):
+        self._test_list_regions(bytes_body=True)
+
+    def test_update_region_with_str_body(self):
+        self._test_update_region()
+
+    def test_update_region_with_bytes_body(self):
+        self._test_update_region(bytes_body=True)
+
+    def test_delete_region(self):
+        self.check_service_client_function(
+            self.client.delete_region,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            region_id="RegionThree",
+            status=204)
diff --git a/tempest/tests/lib/services/identity/v3/test_services_client.py b/tempest/tests/lib/services/identity/v3/test_services_client.py
new file mode 100644
index 0000000..f87fcce
--- /dev/null
+++ b/tempest/tests/lib/services/identity/v3/test_services_client.py
@@ -0,0 +1,149 @@
+# Copyright 2016 Red Hat, Inc.
+#
+# 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.lib.services.identity.v3 import services_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestServicesClient(base.BaseServiceTest):
+    FAKE_CREATE_SERVICE = {
+        "service": {
+            "type": "compute",
+            "name": "compute2",
+            "description": "Compute service 2"
+            }
+        }
+
+    FAKE_SERVICE_INFO = {
+        "service": {
+            "description": "Keystone Identity Service",
+            "enabled": True,
+            "id": "686766",
+            "links": {
+                "self": "http://example.com/identity/v3/services/686766"
+                },
+            "name": "keystone",
+            "type": "identity"
+            }
+        }
+
+    FAKE_LIST_SERVICES = {
+        "links": {
+            "next": None,
+            "previous": None,
+            "self": "http://example.com/identity/v3/services"
+            },
+        "services": [
+            {
+                "description": "Nova Compute Service",
+                "enabled": True,
+                "id": "1999c3",
+                "links": {
+                    "self": "http://example.com/identity/v3/services/1999c3"
+                    },
+                "name": "nova",
+                "type": "compute"
+                },
+            {
+                "description": "Cinder Volume Service V2",
+                "enabled": True,
+                "id": "392166",
+                "links": {
+                    "self": "http://example.com/identity/v3/services/392166"
+                    },
+                "name": "cinderv2",
+                "type": "volumev2"
+                },
+            {
+                "description": "Neutron Service",
+                "enabled": True,
+                "id": "4fe41a",
+                "links": {
+                    "self": "http://example.com/identity/v3/services/4fe41a"
+                    },
+                "name": "neutron",
+                "type": "network"
+                }
+        ]
+    }
+
+    def setUp(self):
+        super(TestServicesClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = services_client.ServicesClient(fake_auth, 'identity',
+                                                     'regionOne')
+
+    def _test_create_service(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_service,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_CREATE_SERVICE,
+            bytes_body,
+            status=201)
+
+    def _test_show_service(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_service,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_SERVICE_INFO,
+            bytes_body,
+            service_id="686766")
+
+    def _test_list_services(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_services,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_SERVICES,
+            bytes_body)
+
+    def _test_update_service(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_service,
+            'tempest.lib.common.rest_client.RestClient.patch',
+            self.FAKE_SERVICE_INFO,
+            bytes_body,
+            service_id="686766")
+
+    def test_create_service_with_str_body(self):
+        self._test_create_service()
+
+    def test_create_service_with_bytes_body(self):
+        self._test_create_service(bytes_body=True)
+
+    def test_show_service_with_str_body(self):
+        self._test_show_service()
+
+    def test_show_service_with_bytes_body(self):
+        self._test_show_service(bytes_body=True)
+
+    def test_list_services_with_str_body(self):
+        self._test_list_services()
+
+    def test_list_services_with_bytes_body(self):
+        self._test_list_services(bytes_body=True)
+
+    def test_update_service_with_str_body(self):
+        self._test_update_service()
+
+    def test_update_service_with_bytes_body(self):
+        self._test_update_service(bytes_body=True)
+
+    def test_delete_service(self):
+        self.check_service_client_function(
+            self.client.delete_service,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            service_id="686766",
+            status=204)
diff --git a/tox.ini b/tox.ini
index 111557f..a621492 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = pep8,py34,py27
+envlist = pep8,py35,py34,py27
 minversion = 2.3.1
 skipsdist = True