diff --git a/doc/source/microversion_testing.rst b/doc/source/microversion_testing.rst
index c1981f9..06062c2 100644
--- a/doc/source/microversion_testing.rst
+++ b/doc/source/microversion_testing.rst
@@ -302,6 +302,10 @@
 
   .. _2.2: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id2
 
+  * `2.3`_
+
+  .. _2.3: http://docs.openstack.org/developer/nova/api_microversion_history.html#maximum-in-kilo
+
   * `2.6`_
 
   .. _2.6: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id5
diff --git a/releasenotes/notes/Add-keystone-v3-OS_FEDERATION-APIs-as-tempest-clients-fe9e10a0fe5f09d4.yaml b/releasenotes/notes/Add-keystone-v3-OS_FEDERATION-APIs-as-tempest-clients-fe9e10a0fe5f09d4.yaml
new file mode 100644
index 0000000..33df7c4
--- /dev/null
+++ b/releasenotes/notes/Add-keystone-v3-OS_FEDERATION-APIs-as-tempest-clients-fe9e10a0fe5f09d4.yaml
@@ -0,0 +1,10 @@
+---
+features:
+  - |
+    The following tempest clients for keystone v3 OS_FEDERATION API were
+    implemented in this release
+
+    * identity_providers
+    * protocols
+    * mappings
+    * service_providers
diff --git a/releasenotes/notes/make-create-user-domain-aware-for-v3-creds-client-5054f58e715adc0c.yaml b/releasenotes/notes/make-create-user-domain-aware-for-v3-creds-client-5054f58e715adc0c.yaml
new file mode 100644
index 0000000..8931f09
--- /dev/null
+++ b/releasenotes/notes/make-create-user-domain-aware-for-v3-creds-client-5054f58e715adc0c.yaml
@@ -0,0 +1,9 @@
+---
+fixes:
+  - |
+    [`bug 1613819 <https://bugs.launchpad.net/tempest/+bug/1613819>`_]
+    admin_domain_name and default_credentials_domain_name parameters
+    under [auth] now affect a domain used for creating test users just
+    as they affect it for projects. Previously a domain with an id set
+    to "default" had to be present in order for test user creation to
+    succeed with Keystone v3.
diff --git a/roles/run-tempest/defaults/main.yaml b/roles/run-tempest/defaults/main.yaml
index e7a1cc6..52713be 100644
--- a/roles/run-tempest/defaults/main.yaml
+++ b/roles/run-tempest/defaults/main.yaml
@@ -1,10 +1,6 @@
 devstack_base_dir: /opt/stack
 tempest_test_regex: ''
 tox_envlist: smoke
-# TODO(kopecmartin) remove tempest_black_regex once all consumers of this
-# role have switched to the tempest_exclude_regex option.
-tempest_black_regex: ''
-tempest_exclude_regex: ''
 tox_extra_args: ''
 tempest_test_timeout: ''
 stable_constraints_file: "{{ devstack_base_dir }}/requirements/upper-constraints.txt"
diff --git a/roles/run-tempest/tasks/main.yaml b/roles/run-tempest/tasks/main.yaml
index e9c8e92..999e256 100644
--- a/roles/run-tempest/tasks/main.yaml
+++ b/roles/run-tempest/tasks/main.yaml
@@ -70,22 +70,16 @@
 # TODO(kopecmartin) remove this after all consumers of the role have switched
 # to tempest_exclude_regex option, until then it's kept here for the backward
 # compatibility
-- name: Set tempest_exclude_regex
+- name: Build exclude regex (old param)
   set_fact:
-    tempest_exclude_regex: "{{ tempest_black_regex }}"
+    tempest_test_exclude_regex: "--black-regex={{tempest_black_regex|quote}}"
   when:
     - tempest_black_regex is defined
     - tempest_exclude_regex is not defined
 
-- name: Build exclude regex (old param)
-  set_fact:
-    tempest_exclude_regex: "--black-regex={{tempest_black_regex|quote}}"
-  when:
-    - tempest_black_regex is defined
-
 - name: Build exclude regex (new param)
   set_fact:
-    tempest_exclude_regex: "--exclude-regex={{tempest_exclude_regex|quote}}"
+    tempest_test_exclude_regex: "--exclude-regex={{tempest_exclude_regex|quote}}"
   when:
     - tempest_black_regex is not defined
     - tempest_exclude_regex is defined
@@ -94,7 +88,7 @@
   command: tox -e {{tox_envlist}} {{tox_extra_args}} -- {{tempest_test_regex|quote}} \
            {{blacklist_option|default('')}}  {{exclude_list_option|default('')}} \
             --concurrency={{tempest_concurrency|default(default_concurrency)}} \
-           {{tempest_exclude_regex|default('')}}
+           {{tempest_test_exclude_regex|default('')}}
   args:
     chdir: "{{devstack_base_dir}}/tempest"
   register: tempest_run_result
diff --git a/tempest/api/compute/images/test_images_oneserver_negative.py b/tempest/api/compute/images/test_images_oneserver_negative.py
index 0296220..275a26f 100644
--- a/tempest/api/compute/images/test_images_oneserver_negative.py
+++ b/tempest/api/compute/images/test_images_oneserver_negative.py
@@ -110,20 +110,30 @@
         Creating another server image when first image is being saved is
         not allowed.
         """
-        # Create first snapshot
-        image = self.create_image_from_server(self.server_id)
-        self.addCleanup(self._reset_server)
+        try:
+            # Create first snapshot
+            image = self.create_image_from_server(self.server_id)
+            self.addCleanup(self._reset_server)
 
-        # Create second snapshot
-        self.assertRaises(lib_exc.Conflict, self.create_image_from_server,
-                          self.server_id)
+            # Create second snapshot
+            self.assertRaises(lib_exc.Conflict, self.create_image_from_server,
+                              self.server_id)
 
-        if api_version_utils.compare_version_header_to_response(
-            "OpenStack-API-Version", "compute 2.45", image.response, "lt"):
-            image_id = image['image_id']
-        else:
-            image_id = data_utils.parse_image_id(image.response['location'])
-        self.client.delete_image(image_id)
+            if api_version_utils.compare_version_header_to_response(
+                "OpenStack-API-Version", "compute 2.45", image.response, "lt"):
+                image_id = image['image_id']
+            else:
+                image_id = data_utils.parse_image_id(
+                    image.response['location'])
+            self.client.delete_image(image_id)
+
+        except lib_exc.TimeoutException as ex:
+            # Test cannot capture the image saving state.
+            # If timeout is reached, we don't need to check state,
+            # since, it wouldn't be a 'SAVING' state atleast and apart from
+            # it, this testcase doesn't have scope for other state transition
+            # Hence, skip the test.
+            raise self.skipException("This test is skipped because " + str(ex))
 
     @decorators.attr(type=['negative'])
     @decorators.idempotent_id('084f0cbc-500a-4963-8a4e-312905862581')
diff --git a/tempest/api/image/v2/test_images_negative.py b/tempest/api/image/v2/test_images_negative.py
index dc2bb96..810c37c 100644
--- a/tempest/api/image/v2/test_images_negative.py
+++ b/tempest/api/image/v2/test_images_negative.py
@@ -15,10 +15,13 @@
 #    under the License.
 
 from tempest.api.image import base
+from tempest import config
 from tempest.lib.common.utils import data_utils
 from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 
+CONF = config.CONF
+
 
 class ImagesNegativeTest(base.BaseV2ImageTest):
 
@@ -114,3 +117,42 @@
         self.assertRaises(lib_exc.Forbidden,
                           self.client.delete_image,
                           image['id'])
+
+    @decorators.attr(type=['negative'])
+    @decorators.idempotent_id('a0ae75d4-ce9c-4576-b823-aba04c8acabd')
+    def test_update_image_reserved_property(self):
+        """Attempt to add a reserved property to an image.
+
+        Glance bans some internal-use-only properties such that they will
+        cause a PATCH to fail. Since os_glance_* is banned, we can use a
+        key in that namespace here.
+        """
+        if not CONF.image_feature_enabled.os_glance_reserved:
+            raise self.skipException('os_glance_reserved is not enabled')
+
+        image = self.create_image(name='test',
+                                  container_format='bare',
+                                  disk_format='raw')
+        self.assertRaises(lib_exc.Forbidden,
+                          self.client.update_image,
+                          image['id'], [{'add': '/os_glance_foo',
+                                         'value': 'bar'}])
+
+    @decorators.attr(type=['negative'])
+    @decorators.idempotent_id('e3fb7df8-2742-4143-8976-f1b26870f0a0')
+    def test_create_image_reserved_property(self):
+        """Attempt to create an image with a reserved property.
+
+        Glance bans some internal-use-only properties such that they will
+        cause an image create to fail. Since os_glance_* is banned, we can
+        use a key in that namespace here.
+        """
+        if not CONF.image_feature_enabled.os_glance_reserved:
+            raise self.skipException('os_glance_reserved is not enabled')
+
+        self.assertRaises(lib_exc.Forbidden,
+                          self.create_image,
+                          name='test',
+                          container_format='bare',
+                          disk_format='raw',
+                          os_glance_foo='bar')
diff --git a/tempest/config.py b/tempest/config.py
index 31d9b1b..1367678 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -706,6 +706,13 @@
     cfg.BoolOpt('import_image',
                 default=False,
                 help="Is image import feature enabled"),
+    # NOTE(danms): Starting mid-Wallaby glance began enforcing the
+    # previously-informal requirement that os_glance_* properties are
+    # reserved for internal use. Thus, we can only run these checks
+    # if we know we are on a new enough glance.
+    cfg.BoolOpt('os_glance_reserved',
+                default=False,
+                help="Should we check that os_glance namespace is reserved"),
 ]
 
 network_group = cfg.OptGroup(name='network',
diff --git a/tempest/lib/common/cred_client.py b/tempest/lib/common/cred_client.py
index e16a565..f6e9b49 100644
--- a/tempest/lib/common/cred_client.py
+++ b/tempest/lib/common/cred_client.py
@@ -173,6 +173,22 @@
         self.domains_client.update_domain(domain_id, enabled=False)
         self.domains_client.delete_domain(domain_id)
 
+    def create_user(self, username, password, project=None, email=None,
+                    domain_id=None):
+        params = {'name': username,
+                  'password': password,
+                  'domain_id': domain_id or self.creds_domain['id']}
+        # with keystone v3, a default project is not required
+        if project:
+            params[self.project_id_param] = project['id']
+        # email is not a first-class attribute of a user
+        if email:
+            params['email'] = email
+        user = self.users_client.create_user(**params)
+        if 'user' in user:
+            user = user['user']
+        return user
+
     def get_credentials(
             self, user, project, password, domain=None, system=None):
         # User, project and domain already include both ID and name here,
diff --git a/tempest/lib/decorators.py b/tempest/lib/decorators.py
index ebe2d61..25ff473 100644
--- a/tempest/lib/decorators.py
+++ b/tempest/lib/decorators.py
@@ -72,19 +72,13 @@
     def decorator(f):
         @functools.wraps(f)
         def wrapper(*func_args, **func_kwargs):
-            skip = False
-            msg = ''
-            if "condition" in kwargs:
-                if kwargs["condition"] is True:
-                    skip = True
-            else:
-                skip = True
-            if "bug" in kwargs and skip is True:
-                bug = kwargs['bug']
+            condition = kwargs.get('condition', True)
+            bug = kwargs.get('bug', None)
+            if bug and condition:
                 bug_type = kwargs.get('bug_type', 'launchpad')
                 bug_url = _get_bug_url(bug, bug_type)
-                msg = "Skipped until bug: %s is resolved." % bug_url
-                raise testtools.TestCase.skipException(msg)
+                raise testtools.TestCase.skipException(
+                    "Skipped until bug: %s is resolved." % bug_url)
             return f(*func_args, **func_kwargs)
         return wrapper
     return decorator
diff --git a/tempest/lib/services/identity/v3/identity_providers_client.py b/tempest/lib/services/identity/v3/identity_providers_client.py
new file mode 100644
index 0000000..af6a245
--- /dev/null
+++ b/tempest/lib/services/identity/v3/identity_providers_client.py
@@ -0,0 +1,92 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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 oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest.lib.common import rest_client
+
+
+class IdentityProvidersClient(rest_client.RestClient):
+
+    def register_identity_provider(self, identity_provider_id, **kwargs):
+        """Register an identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#register-an-identity-provider
+        """
+        post_body = json.dumps({'identity_provider': kwargs})
+        resp, body = self.put(
+            'OS-FEDERATION/identity_providers/%s' % identity_provider_id,
+            post_body)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def list_identity_providers(self, **params):
+        """List identity providers.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#list-identity-providers
+        """
+        url = 'identity_providers'
+        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 get_identity_provider(self, identity_provider_id):
+        """Get identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#get-identity-provider
+        """
+        resp, body = self.get(
+            'OS-FEDERATION/identity_providers/%s' % identity_provider_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_identity_provider(self, identity_provider_id):
+        """Delete identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#delete-identity-provider
+        """
+        resp, body = self.delete(
+            'OS-FEDERATION/identity_providers/%s' % identity_provider_id)
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
+    def update_identity_provider(self, identity_provider_id, **kwargs):
+        """Update identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#update-identity-provider
+        """
+        post_body = json.dumps({'identity_provider': kwargs})
+        resp, body = self.patch(
+            'OS-FEDERATION/identity_providers/%s' % identity_provider_id,
+            post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/identity/v3/mappings_client.py b/tempest/lib/services/identity/v3/mappings_client.py
new file mode 100644
index 0000000..9ec5384
--- /dev/null
+++ b/tempest/lib/services/identity/v3/mappings_client.py
@@ -0,0 +1,90 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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 oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest.lib.common import rest_client
+
+
+class MappingsClient(rest_client.RestClient):
+
+    def create_mapping(self, mapping_id, **kwargs):
+        """Create a mapping.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#create-a-mapping
+        """
+        post_body = json.dumps({'mapping': kwargs})
+        resp, body = self.put(
+            'OS-FEDERATION/mappings/%s' % mapping_id, post_body)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def get_mapping(self, mapping_id):
+        """Get a mapping.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#get-a-mapping
+        """
+        resp, body = self.get(
+            'OS-FEDERATION/mappings/%s' % mapping_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def update_mapping(self, mapping_id, **kwargs):
+        """Update a mapping.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#update-a-mapping
+        """
+        post_body = json.dumps({'mapping': kwargs})
+        resp, body = self.patch(
+            'OS-FEDERATION/mappings/%s' % mapping_id, post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def list_mappings(self, **kwargs):
+        """List mappings.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#list-mappings
+        """
+        url = 'OS-FEDERATION/mappings'
+        if kwargs:
+            url += '?%s' % urllib.urlencode(kwargs)
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_mapping(self, mapping_id):
+        """Delete a mapping.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#delete-a-mapping
+        """
+        resp, body = self.delete(
+            'OS-FEDERATION/mappings/%s' % mapping_id)
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/identity/v3/protocols_client.py b/tempest/lib/services/identity/v3/protocols_client.py
new file mode 100644
index 0000000..2e0221b
--- /dev/null
+++ b/tempest/lib/services/identity/v3/protocols_client.py
@@ -0,0 +1,96 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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 oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest.lib.common import rest_client
+
+
+class ProtocolsClient(rest_client.RestClient):
+
+    def add_protocol_to_identity_provider(self, idp_id, protocol_id,
+                                          **kwargs):
+        """Add protocol to identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#add-protocol-to-identity-provider
+        """
+        post_body = json.dumps({'protocol': kwargs})
+        resp, body = self.put(
+            'OS-FEDERATION/identity_providers/%s/protocols/%s'
+            % (idp_id, protocol_id), post_body)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def list_protocols_of_identity_provider(self, idp_id, **kwargs):
+        """List protocols of identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#list-protocols-of-identity-provider
+        """
+        url = 'OS-FEDERATION/identity_providers/%s/protocols' % idp_id
+        if kwargs:
+            url += '?%s' % urllib.urlencode(kwargs)
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def get_protocol_for_identity_provider(self, idp_id, protocol_id):
+        """Get protocol for identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#get-protocol-for-identity-provider
+        """
+        resp, body = self.get(
+            'OS-FEDERATION/identity_providers/%s/protocols/%s'
+            % (idp_id, protocol_id))
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def update_mapping_for_identity_provider(self, idp_id, protocol_id,
+                                             **kwargs):
+        """Update attribute mapping for identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#update-attribute-mapping-for-identity-provider
+        """
+        post_body = json.dumps({'protocol': kwargs})
+        resp, body = self.patch(
+            'OS-FEDERATION/identity_providers/%s/protocols/%s'
+            % (idp_id, protocol_id), post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_protocol_from_identity_provider(self, idp_id, protocol_id):
+        """Delete a protocol from identity provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#delete-a-protocol-from-identity-provider
+        """
+        resp, body = self.delete(
+            'OS-FEDERATION/identity_providers/%s/protocols/%s'
+            % (idp_id, protocol_id))
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/identity/v3/service_providers_client.py b/tempest/lib/services/identity/v3/service_providers_client.py
new file mode 100644
index 0000000..b84cf43
--- /dev/null
+++ b/tempest/lib/services/identity/v3/service_providers_client.py
@@ -0,0 +1,92 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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 oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
+
+from tempest.lib.common import rest_client
+
+
+class ServiceProvidersClient(rest_client.RestClient):
+
+    def register_service_provider(self, service_provider_id, **kwargs):
+        """Register a service provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#register-a-service-provider
+        """
+        post_body = json.dumps({'service_provider': kwargs})
+        resp, body = self.put(
+            'OS-FEDERATION/service_providers/%s' % service_provider_id,
+            post_body)
+        self.expected_success(201, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def list_service_providers(self, **kwargs):
+        """List service providers.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#list-service-providers
+        """
+        url = 'OS-FEDERATION/service_providers'
+        if kwargs:
+            url += '?%s' % urllib.urlencode(kwargs)
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def get_service_provider(self, service_provider_id):
+        """Get a service provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#get-service-provider
+        """
+        resp, body = self.get(
+            'OS-FEDERATION/service_providers/%s' % service_provider_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
+
+    def delete_service_provider(self, service_provider_id):
+        """Delete a service provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#delete-service-provider
+        """
+        resp, body = self.delete(
+            'OS-FEDERATION/service_providers/%s' % service_provider_id)
+        self.expected_success(204, resp.status)
+        return rest_client.ResponseBody(resp, body)
+
+    def update_service_provider(self, service_provider_id, **kwargs):
+        """Update a service provider.
+
+        For a full list of available parameters, please refer to the official
+        API reference:
+        https://docs.openstack.org/api-ref/identity/v3-ext/index.html#update-service-provider
+        """
+        post_body = json.dumps({'service_provider': kwargs})
+        resp, body = self.patch(
+            'OS-FEDERATION/service_providers/%s' % service_provider_id,
+            post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 8c6b0d0..4652af4 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -451,11 +451,20 @@
                                            server_id, 'ACTIVE')
 
     def create_volume_snapshot(self, volume_id, name=None, description=None,
-                               metadata=None, force=False):
-        """Creates volume
+                               metadata=None, force=False, **kwargs):
+        """Creates volume's snapshot
 
-        This wrapper utility creates volume snapshot and waits for backup
-        to be in 'available' state.
+        This wrapper utility creates volume snapshot and waits for it until
+        it is in 'available' state.
+
+        :param volume_id: UUID of a volume to create snapshot of
+        :param name: name of the snapshot, '$classname-snapshot' by default
+        :param description: description of the snapshot
+        :param metadata: metadata key and value pairs for the snapshot
+        :param force: whether snapshot even when the volume is attached
+        :param **kwargs: additional parameters per the doc
+            https://docs.openstack.org/api-ref/block-storage/v3/
+            #create-a-snapshot
         """
 
         name = name or data_utils.rand_name(
@@ -465,7 +474,8 @@
             force=force,
             name=name,
             description=description,
-            metadata=metadata)['snapshot']
+            metadata=metadata,
+            **kwargs)['snapshot']
 
         self.addCleanup(self.snapshots_client.wait_for_resource_deletion,
                         snapshot['id'])
@@ -1510,7 +1520,7 @@
 
         return rules
 
-    def _get_router(self, client=None, project_id=None):
+    def _get_router(self, client=None, project_id=None, **kwargs):
         """Retrieve a router for the given tenant id.
 
         If a public router has been configured, it will be returned.
@@ -1530,11 +1540,20 @@
             body = client.show_router(router_id)
             return body['router']
         elif network_id:
+            name = kwargs.pop('name', None)
+            if not name:
+                namestart = self.__class__.__name__ + '-router'
+                name = data_utils.rand_name(namestart)
+
+            ext_gw_info = kwargs.pop('external_gateway_info', None)
+            if not ext_gw_info:
+                ext_gw_info = dict(network_id=network_id)
             router = client.create_router(
-                name=data_utils.rand_name(self.__class__.__name__ + '-router'),
-                admin_state_up=True,
+                name=name,
+                admin_state_up=kwargs.get('admin_state_up', True),
                 project_id=project_id,
-                external_gateway_info=dict(network_id=network_id))['router']
+                external_gateway_info=ext_gw_info,
+                **kwargs)['router']
             self.addCleanup(test_utils.call_and_ignore_notfound_exc,
                             client.delete_router, router['id'])
             return router
diff --git a/tempest/test.py b/tempest/test.py
index f383bc1..68602d6 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -38,12 +38,6 @@
 
 CONF = config.CONF
 
-# TODO(oomichi): This test.idempotent_id should be removed after all projects
-# switch to use decorators.idempotent_id.
-idempotent_id = debtcollector.moves.moved_function(
-    decorators.idempotent_id, 'idempotent_id', __name__,
-    version='Mitaka', removal_version='?')
-
 
 attr = debtcollector.moves.moved_function(
     decorators.attr, 'attr', __name__,
diff --git a/tempest/tests/lib/common/test_cred_client.py b/tempest/tests/lib/common/test_cred_client.py
index b99311c..7ea660b 100644
--- a/tempest/tests/lib/common/test_cred_client.py
+++ b/tempest/tests/lib/common/test_cred_client.py
@@ -111,3 +111,21 @@
         self.assertIsNone(ret.project_name)
         self.assertEqual(ret.system, {'system': 'all'})
         self.assertEqual(ret.domain_name, 'some_domain')
+
+    def test_create_user(self):
+        self.users_client.create_user.return_value = {
+            'user': 'a_user'
+        }
+        fake_project = {
+            'id': 'fake_project_id',
+        }
+        res = self.creds_client.create_user('fake_username',
+                                            'fake_password',
+                                            fake_project,
+                                            'fake_email')
+        self.assertEqual('a_user', res)
+        self.users_client.create_user.assert_called_once_with(
+            name='fake_username', password='fake_password',
+            project_id=fake_project['id'],
+            email='fake_email',
+            domain_id='fake_domain_id')
diff --git a/tempest/tests/lib/services/identity/v3/test_identity_providers_client.py b/tempest/tests/lib/services/identity/v3/test_identity_providers_client.py
new file mode 100644
index 0000000..964c51b
--- /dev/null
+++ b/tempest/tests/lib/services/identity/v3/test_identity_providers_client.py
@@ -0,0 +1,142 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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.lib.services.identity.v3 import identity_providers_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestIdentityProvidersClient(base.BaseServiceTest):
+    FAKE_IDENTITY_PROVIDERS_INFO = {
+        "identity_providers": [
+            {
+                "domain_id": "FAKE_DOMAIN_ID",
+                "description": "FAKE IDENTITY PROVIDER",
+                "remote_ids": ["fake_id_1", "fake_id_2"],
+                "enabled": True,
+                "id": "FAKE_ID",
+                "links": {
+                    "protocols": "http://example.com/identity/v3/" +
+                                 "OS-FEDERATION/identity_providers/" +
+                                 "FAKE_ID/protocols",
+                    "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                            "identity_providers/FAKE_ID"
+                }
+            }
+        ],
+        "links": {
+            "next": None,
+            "previous": None,
+            "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                    "identity_providers"
+        }
+    }
+
+    FAKE_IDENTITY_PROVIDER_INFO = {
+        "identity_provider": {
+            "authorization_ttl": None,
+            "domain_id": "FAKE_DOMAIN_ID",
+            "description": "FAKE IDENTITY PROVIDER",
+            "remote_ids": ["fake_id_1", "fake_id_2"],
+            "enabled": True,
+            "id": "ACME",
+            "links": {
+                "protocols": "http://example.com/identity/v3/OS-FEDERATION/" +
+                             "identity_providers/FAKE_ID/protocols",
+                "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                        "identity_providers/FAKE_ID"
+            }
+        }
+    }
+
+    def setUp(self):
+        super(TestIdentityProvidersClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = identity_providers_client.IdentityProvidersClient(
+            fake_auth, 'identity', 'regionOne')
+
+    def _test_register_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.register_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_IDENTITY_PROVIDER_INFO,
+            bytes_body,
+            identity_provider_id="FAKE_ID",
+            status=201)
+
+    def _test_list_identity_providers(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_identity_providers,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_IDENTITY_PROVIDERS_INFO,
+            bytes_body,
+            status=200)
+
+    def _test_get_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.get_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_IDENTITY_PROVIDER_INFO,
+            bytes_body,
+            identity_provider_id="FAKE_ID",
+            status=200)
+
+    def _test_delete_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.delete_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            bytes_body,
+            identity_provider_id="FAKE_ID",
+            status=204)
+
+    def _test_update_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.patch',
+            self.FAKE_IDENTITY_PROVIDER_INFO,
+            bytes_body,
+            identity_provider_id="FAKE_ID",
+            status=200)
+
+    def test_register_identity_provider_with_str_body(self):
+        self._test_register_identity_provider()
+
+    def test_register_identity_provider_with_bytes_body(self):
+        self._test_register_identity_provider(bytes_body=True)
+
+    def test_list_identity_providers_with_str_body(self):
+        self._test_list_identity_providers()
+
+    def test_list_identity_providers_with_bytes_body(self):
+        self._test_list_identity_providers(bytes_body=True)
+
+    def test_get_identity_provider_with_str_body(self):
+        self._test_get_identity_provider()
+
+    def test_get_identity_provider_with_bytes_body(self):
+        self._test_get_identity_provider(bytes_body=True)
+
+    def test_delete_identity_provider_with_str_body(self):
+        self._test_delete_identity_provider()
+
+    def test_delete_identity_provider_with_bytes_body(self):
+        self._test_delete_identity_provider(bytes_body=True)
+
+    def test_update_identity_provider_with_str_body(self):
+        self._test_update_identity_provider()
+
+    def test_update_identity_provider_with_bytes_body(self):
+        self._test_update_identity_provider(bytes_body=True)
diff --git a/tempest/tests/lib/services/identity/v3/test_mappings_client.py b/tempest/tests/lib/services/identity/v3/test_mappings_client.py
new file mode 100644
index 0000000..845a3f9
--- /dev/null
+++ b/tempest/tests/lib/services/identity/v3/test_mappings_client.py
@@ -0,0 +1,183 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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.lib.services.identity.v3 import mappings_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestMappingsClient(base.BaseServiceTest):
+    FAKE_MAPPING_INFO = {
+        "mapping": {
+            "id": "fake123",
+            "links": {
+                "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                        "mappings/fake123"
+            },
+            "rules": [
+                {
+                    "local": [
+                        {
+                            "user": {
+                                "name": "{0}"
+                            }
+                        },
+                        {
+                            "group": {
+                                "id": "0cd5e9"
+                            }
+                        }
+                    ],
+                    "remote": [
+                        {
+                            "type": "UserName"
+                        },
+                        {
+                            "type": "orgPersonType",
+                            "not_any_of": [
+                                "Contractor",
+                                "Guest"
+                            ]
+                        }
+                    ]
+                }
+            ]
+        }
+    }
+
+    FAKE_MAPPINGS_INFO = {
+        "links": {
+            "next": None,
+            "previous": None,
+            "self": "http://example.com/identity/v3/OS-FEDERATION/mappings"
+        },
+        "mappings": [
+            {
+                "id": "fake123",
+                "links": {
+                    "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                            "mappings/fake123"
+                },
+                "rules": [
+                    {
+                        "local": [
+                            {
+                                "user": {
+                                    "name": "{0}"
+                                }
+                            },
+                            {
+                                "group": {
+                                    "id": "0cd5e9"
+                                }
+                            }
+                        ],
+                        "remote": [
+                            {
+                                "type": "UserName"
+                            },
+                            {
+                                "type": "orgPersonType",
+                                "any_one_of": [
+                                    "Contractor",
+                                    "SubContractor"
+                                ]
+                            }
+                        ]
+                    }
+                ]
+            }
+        ]
+    }
+
+    def setUp(self):
+        super(TestMappingsClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = mappings_client.MappingsClient(
+            fake_auth, 'identity', 'regionOne')
+
+    def _test_create_mapping(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_mapping,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_MAPPING_INFO,
+            bytes_body,
+            mapping_id="fake123",
+            status=201)
+
+    def _test_get_mapping(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.get_mapping,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_MAPPING_INFO,
+            bytes_body,
+            mapping_id="fake123",
+            status=200)
+
+    def _test_update_mapping(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_mapping,
+            'tempest.lib.common.rest_client.RestClient.patch',
+            self.FAKE_MAPPING_INFO,
+            bytes_body,
+            mapping_id="fake123",
+            status=200)
+
+    def _test_list_mappings(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_mappings,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_MAPPINGS_INFO,
+            bytes_body,
+            status=200)
+
+    def _test_delete_mapping(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.delete_mapping,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            bytes_body,
+            mapping_id="fake123",
+            status=204)
+
+    def test_create_mapping_with_str_body(self):
+        self._test_create_mapping()
+
+    def test_create_mapping_with_bytes_body(self):
+        self._test_create_mapping(bytes_body=True)
+
+    def test_get_mapping_with_str_body(self):
+        self._test_get_mapping()
+
+    def test_get_mapping_with_bytes_body(self):
+        self._test_get_mapping(bytes_body=True)
+
+    def test_update_mapping_with_str_body(self):
+        self._test_update_mapping()
+
+    def test_update_mapping_with_bytes_body(self):
+        self._test_update_mapping(bytes_body=True)
+
+    def test_list_mappings_with_str_body(self):
+        self._test_list_mappings()
+
+    def test_list_mappings_with_bytes_body(self):
+        self._test_list_mappings(bytes_body=True)
+
+    def test_delete_mapping_with_str_body(self):
+        self._test_delete_mapping()
+
+    def test_delete_mapping_with_bytes_body(self):
+        self._test_delete_mapping(bytes_body=True)
diff --git a/tempest/tests/lib/services/identity/v3/test_protocols_client.py b/tempest/tests/lib/services/identity/v3/test_protocols_client.py
new file mode 100644
index 0000000..c1d04f4
--- /dev/null
+++ b/tempest/tests/lib/services/identity/v3/test_protocols_client.py
@@ -0,0 +1,140 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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.lib.services.identity.v3 import protocols_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestProtocolsClient(base.BaseServiceTest):
+    FAKE_PROTOCOLS_INFO = {
+        "links": {
+            "next": None,
+            "previous": None,
+            "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                    "identity_providers/FAKE_ID/protocols"
+        },
+        "protocols": [
+            {
+                "id": "fake_id1",
+                "links": {
+                    "identity_provider": "http://example.com/identity/v3/" +
+                                         "OS-FEDERATION/identity_providers/" +
+                                         "FAKE_ID",
+                    "self": "http://example.com/identity/v3/OS-FEDERATION/"
+                            "identity_providers/FAKE_ID/protocols/fake_id1"
+                },
+                "mapping_id": "fake123"
+            }
+        ]
+    }
+
+    FAKE_PROTOCOL_INFO = {
+        "protocol": {
+            "id": "fake_id1",
+            "links": {
+                "identity_provider": "http://example.com/identity/v3/OS-" +
+                                     "FEDERATION/identity_providers/FAKE_ID",
+                "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                        "identity_providers/FAKE_ID/protocols/fake_id1"
+            },
+            "mapping_id": "fake123"
+        }
+    }
+
+    def setUp(self):
+        super(TestProtocolsClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = protocols_client.ProtocolsClient(
+            fake_auth, 'identity', 'regionOne')
+
+    def _test_add_protocol_to_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.add_protocol_to_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_PROTOCOL_INFO,
+            bytes_body,
+            idp_id="FAKE_ID",
+            protocol_id="fake_id1",
+            status=201)
+
+    def _test_list_protocols_of_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_protocols_of_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_PROTOCOLS_INFO,
+            bytes_body,
+            idp_id="FAKE_ID",
+            status=200)
+
+    def _test_get_protocol_for_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.get_protocol_for_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_PROTOCOL_INFO,
+            bytes_body,
+            idp_id="FAKE_ID",
+            protocol_id="fake_id1",
+            status=200)
+
+    def _test_update_mapping_for_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_mapping_for_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.patch',
+            self.FAKE_PROTOCOL_INFO,
+            bytes_body,
+            idp_id="FAKE_ID",
+            protocol_id="fake_id1",
+            status=200)
+
+    def _test_delete_protocol_from_identity_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.delete_protocol_from_identity_provider,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            bytes_body,
+            idp_id="FAKE_ID",
+            protocol_id="fake_id1",
+            status=204)
+
+    def test_add_protocol_to_identity_provider_with_str_body(self):
+        self._test_add_protocol_to_identity_provider()
+
+    def test_add_protocol_to_identity_provider_with_bytes_body(self):
+        self._test_add_protocol_to_identity_provider(bytes_body=True)
+
+    def test_list_protocols_of_identity_provider_with_str_body(self):
+        self._test_list_protocols_of_identity_provider()
+
+    def test_list_protocols_of_identity_provider_with_bytes_body(self):
+        self._test_list_protocols_of_identity_provider(bytes_body=True)
+
+    def test_get_protocol_for_identity_provider_with_str_body(self):
+        self._test_get_protocol_for_identity_provider()
+
+    def test_get_protocol_for_identity_provider_with_bytes_body(self):
+        self._test_get_protocol_for_identity_provider(bytes_body=True)
+
+    def test_update_mapping_for_identity_provider_with_str_body(self):
+        self._test_update_mapping_for_identity_provider()
+
+    def test_update_mapping_for_identity_provider_with_bytes_body(self):
+        self._test_update_mapping_for_identity_provider(bytes_body=True)
+
+    def test_delete_protocol_from_identity_provider_with_str_body(self):
+        self._test_delete_protocol_from_identity_provider()
+
+    def test_delete_protocol_from_identity_provider_with_bytes_body(self):
+        self._test_delete_protocol_from_identity_provider(bytes_body=False)
diff --git a/tempest/tests/lib/services/identity/v3/test_service_providers_client.py b/tempest/tests/lib/services/identity/v3/test_service_providers_client.py
new file mode 100644
index 0000000..ec908bc
--- /dev/null
+++ b/tempest/tests/lib/services/identity/v3/test_service_providers_client.py
@@ -0,0 +1,157 @@
+# Copyright 2020 Samsung Electronics Co., Ltd
+# 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.lib.services.identity.v3 import service_providers_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestServiceProvidersClient(base.BaseServiceTest):
+    FAKE_SERVICE_PROVIDER_INFO = {
+        "service_provider": {
+            "auth_url": "https://example.com/identity/v3/OS-FEDERATION/" +
+                        "identity_providers/FAKE_ID/protocols/fake_id1/auth",
+            "description": "Fake Service Provider",
+            "enabled": True,
+            "id": "FAKE_ID",
+            "links": {
+                "self": "https://example.com/identity/v3/OS-FEDERATION/" +
+                        "service_providers/FAKE_ID"
+            },
+            "relay_state_prefix": "ss:mem:",
+            "sp_url": "https://example.com/identity/Shibboleth.sso/" +
+                      "FAKE_ID1/ECP"
+        }
+    }
+
+    FAKE_SERVICE_PROVIDERS_INFO = {
+        "links": {
+            "next": None,
+            "previous": None,
+            "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                    "service_providers"
+        },
+        "service_providers": [
+            {
+                "auth_url": "https://example.com/identity/v3/OS-FEDERATION/" +
+                            "identity_providers/acme/protocols/saml2/auth",
+                "description": "Stores ACME identities",
+                "enabled": True,
+                "id": "ACME",
+                "links": {
+                    "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                            "service_providers/ACME"
+                },
+                "relay_state_prefix": "ss:mem:",
+                "sp_url": "https://example.com/identity/Shibboleth.sso/" +
+                          "SAML2/ECP"
+            },
+            {
+                "auth_url": "https://other.example.com/identity/v3/" +
+                            "OS-FEDERATION/identity_providers/acme/" +
+                            "protocols/saml2/auth",
+                "description": "Stores contractor identities",
+                "enabled": False,
+                "id": "ACME-contractors",
+                "links": {
+                    "self": "http://example.com/identity/v3/OS-FEDERATION/" +
+                            "service_providers/ACME-contractors"
+                },
+                "relay_state_prefix": "ss:mem:",
+                "sp_url": "https://other.example.com/identity/Shibboleth" +
+                          ".sso/SAML2/ECP"
+            }
+        ]
+    }
+
+    def setUp(self):
+        super(TestServiceProvidersClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = service_providers_client.ServiceProvidersClient(
+            fake_auth, 'identity', 'regionOne')
+
+    def _test_register_service_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.register_service_provider,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_SERVICE_PROVIDER_INFO,
+            bytes_body,
+            service_provider_id="FAKE_ID",
+            status=201)
+
+    def _test_list_service_providers(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_service_providers,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_SERVICE_PROVIDERS_INFO,
+            bytes_body,
+            status=200)
+
+    def _test_get_service_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.get_service_provider,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_SERVICE_PROVIDER_INFO,
+            bytes_body,
+            service_provider_id="FAKE_ID",
+            status=200)
+
+    def _test_delete_service_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.delete_service_provider,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {},
+            bytes_body,
+            service_provider_id="FAKE_ID",
+            status=204)
+
+    def _test_update_service_provider(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_service_provider,
+            'tempest.lib.common.rest_client.RestClient.patch',
+            self.FAKE_SERVICE_PROVIDER_INFO,
+            bytes_body,
+            service_provider_id="FAKE_ID",
+            status=200)
+
+    def test_register_service_provider_with_str_body(self):
+        self._test_register_service_provider()
+
+    def test_register_service_provider_with_bytes_body(self):
+        self._test_register_service_provider(bytes_body=True)
+
+    def test_list_service_providers_with_str_body(self):
+        self._test_list_service_providers()
+
+    def test_list_service_providers_with_bytes_body(self):
+        self._test_list_service_providers(bytes_body=True)
+
+    def test_get_service_provider_with_str_body(self):
+        self._test_get_service_provider()
+
+    def test_get_service_provider_with_bytes_body(self):
+        self._test_get_service_provider(bytes_body=True)
+
+    def test_delete_service_provider_with_str_body(self):
+        self._test_delete_service_provider()
+
+    def test_delete_service_provider_with_bytes_body(self):
+        self._test_delete_service_provider(bytes_body=True)
+
+    def test_update_service_provider_with_str_body(self):
+        self._test_update_service_provider()
+
+    def test_update_service_provider_with_bytes_body(self):
+        self._test_update_service_provider(bytes_body=True)
diff --git a/tempest/tests/lib/services/identity/v3/test_trusts_client.py b/tempest/tests/lib/services/identity/v3/test_trusts_client.py
index a1ca020..33dca7d 100644
--- a/tempest/tests/lib/services/identity/v3/test_trusts_client.py
+++ b/tempest/tests/lib/services/identity/v3/test_trusts_client.py
@@ -94,6 +94,35 @@
             }
         }
 
+    FAKE_LIST_TRUSTS_ROLES = {
+        "roles": [
+            {
+                "id": "c1648e",
+                "links": {
+                    "self": "http://example.com/identity/v3/roles/c1648e"
+                    },
+                "name": "manager"
+                },
+            {
+                "id": "ed7b78",
+                "links": {
+                    "self": "http://example.com/identity/v3/roles/ed7b78"
+                    },
+                "name": "member"
+                }
+            ]
+        }
+
+    FAKE_TRUST_ROLE = {
+        "role": {
+            "id": "c1648e",
+            "links": {
+                "self": "http://example.com/identity/v3/roles/c1648e"
+                },
+            "name": "manager"
+            }
+        }
+
     def setUp(self):
         super(TestTrustsClient, self).setUp()
         fake_auth = fake_auth_provider.FakeAuthProvider()
@@ -123,6 +152,43 @@
             self.FAKE_LIST_TRUSTS,
             bytes_body)
 
+    def _test_list_trust_roles(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_trust_roles,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_TRUSTS_ROLES,
+            bytes_body,
+            trust_id="1ff900")
+
+    def test_check_trust_role(self):
+        self.check_service_client_function(
+            self.client.check_trust_role,
+            'tempest.lib.common.rest_client.RestClient.head',
+            {},
+            trust_id="1ff900",
+            role_id="ed7b78")
+
+    def _check_show_trust_role(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_trust_role,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_TRUST_ROLE,
+            bytes_body,
+            trust_id="1ff900",
+            role_id="ed7b78")
+
+    def test_list_trust_roles_with_str_body(self):
+        self._test_list_trust_roles()
+
+    def test_list_trust_roles_with_bytes_body(self):
+        self._test_list_trust_roles(bytes_body=True)
+
+    def test_check_show_trust_role_with_str_body(self):
+        self._check_show_trust_role()
+
+    def test_check_show_trust_role_with_bytes_body(self):
+        self._check_show_trust_role(bytes_body=True)
+
     def test_create_trust_with_str_body(self):
         self._test_create_trust()
 
diff --git a/tempest/tests/lib/services/network/test_ports_client.py b/tempest/tests/lib/services/network/test_ports_client.py
index 20ef3f1..9ca9ac6 100644
--- a/tempest/tests/lib/services/network/test_ports_client.py
+++ b/tempest/tests/lib/services/network/test_ports_client.py
@@ -22,53 +22,126 @@
 
 class TestPortsClient(base.BaseServiceTest):
 
+    FAKE_CREATE_PORTS = {
+        "port": {
+            "binding:host_id": "4df8d9ff-6f6f-438f-90a1-ef660d4586ad",
+            "binding:profile": {
+                "local_link_information": [
+                    {
+                        "port_id": "Ethernet3/1",
+                        "switch_id": "0a:1b:2c:3d:4e:5f",
+                        "switch_info": "switch1"
+                    }
+                ]
+            },
+            "binding:vnic_type": "baremetal",
+            "device_id": "d90a13da-be41-461f-9f99-1dbcf438fdf2",
+            "device_owner": "baremetal:none",
+            "dns_domain": "my-domain.org.",
+            "dns_name": "myport",
+            "qos_policy_id": "29d5e02e-d5ab-4929-bee4-4a9fc12e22ae",
+            "uplink_status_propagation": False
+        }
+    }
+
     FAKE_PORTS = {
         "ports": [
             {
                 "admin_state_up": True,
                 "allowed_address_pairs": [],
+                "created_at": "2016-03-08T20:19:41",
                 "data_plane_status": None,
                 "description": "",
                 "device_id": "9ae135f4-b6e0-4dad-9e91-3c223e385824",
                 "device_owner": "network:router_gateway",
-                "extra_dhcp_opts": [],
+                "dns_assignment": [
+                    {
+                        "hostname": "myport",
+                        "ip_address": "172.24.4.2",
+                        "fqdn": "myport.my-domain.org"
+                    }
+                ],
+                "dns_domain": "my-domain.org.",
+                "dns_name": "myport",
+                "extra_dhcp_opts": [
+                    {
+                        "opt_value": "pxelinux.0",
+                        "ip_version": 4,
+                        "opt_name": "bootfile-name"
+                    }
+                ],
                 "fixed_ips": [
                     {
                         "ip_address": "172.24.4.2",
-                        "subnet_id": "008ba151-0b8c-4a67-98b5-0d2b87666062"
+                        "subnet_id":
+                            "008ba151-0b8c-4a67-98b5-0d2b87666062"
                     }
                 ],
                 "id": "d80b1a3b-4fc1-49f3-952e-1e2ab7081d8b",
+                "ip_allocation": "immediate",
                 "mac_address": "fa:16:3e:58:42:ed",
                 "name": "",
                 "network_id": "70c1db1f-b701-45bd-96e0-a313ee3430b3",
                 "project_id": "",
+                "revision_number": 1,
                 "security_groups": [],
                 "status": "ACTIVE",
-                "tenant_id": ""
+                "tags": ["tag1,tag2"],
+                "tenant_id": "d6700c0c9ffa4f1cb322cd4a1f3906fa",
+                "updated_at": "2016-03-08T20:19:41",
+                "qos_network_policy_id":
+                    "174dd0c1-a4eb-49d4-a807-ae80246d82f4",
+                "qos_policy_id": "29d5e02e-d5ab-4929-bee4-4a9fc12e22ae",
+                "port_security_enabled": False,
+                "uplink_status_propagation": False
             },
             {
                 "admin_state_up": True,
                 "allowed_address_pairs": [],
+                "created_at": "2016-03-08T20:19:41",
                 "data_plane_status": None,
                 "description": "",
                 "device_id": "9ae135f4-b6e0-4dad-9e91-3c223e385824",
                 "device_owner": "network:router_interface",
-                "extra_dhcp_opts": [],
+                "dns_assignment": [
+                    {
+                        "hostname": "myport2",
+                        "ip_address": "10.0.0.1",
+                        "fqdn": "myport2.my-domain.org"
+                    }
+                ],
+                "dns_domain": "my-domain.org.",
+                "dns_name": "myport2",
+                "extra_dhcp_opts": [
+                    {
+                        "opt_value": "pxelinux.0",
+                        "ip_version": 4,
+                        "opt_name": "bootfile-name"
+                    }
+                ],
                 "fixed_ips": [
                     {
                         "ip_address": "10.0.0.1",
-                        "subnet_id": "288bf4a1-51ba-43b6-9d0a-520e9005db17"
+                        "subnet_id":
+                            "288bf4a1-51ba-43b6-9d0a-520e9005db17"
                     }
                 ],
                 "id": "f71a6703-d6de-4be1-a91a-a570ede1d159",
+                "ip_allocation": "immediate",
                 "mac_address": "fa:16:3e:bb:3c:e4",
                 "name": "",
                 "network_id": "f27aa545-cbdd-4907-b0c6-c9e8b039dcc2",
                 "project_id": "d397de8a63f341818f198abb0966f6f3",
+                "revision_number": 1,
                 "security_groups": [],
                 "status": "ACTIVE",
-                "tenant_id": "d397de8a63f341818f198abb0966f6f3"
+                "tags": ["tag1,tag2"],
+                "tenant_id": "d397de8a63f341818f198abb0966f6f3",
+                "updated_at": "2016-03-08T20:19:41",
+                "qos_network_policy_id": None,
+                "qos_policy_id": None,
+                "port_security_enabled": False,
+                "uplink_status_propagation": False
             }
         ]
     }
@@ -112,7 +185,7 @@
         self.check_service_client_function(
             self.ports_client.create_port,
             "tempest.lib.common.rest_client.RestClient.post",
-            {"port": self.FAKE_PORTS["ports"][0]},
+            self.FAKE_CREATE_PORTS,
             bytes_body,
             201,
             **self.FAKE_PORT1)
diff --git a/tempest/tests/test_decorators.py b/tempest/tests/test_decorators.py
index 6018441..1889420 100644
--- a/tempest/tests/test_decorators.py
+++ b/tempest/tests/test_decorators.py
@@ -19,7 +19,6 @@
 from tempest.common import utils
 from tempest import config
 from tempest import exceptions
-from tempest.lib.common.utils import data_utils
 from tempest import test
 from tempest.tests import base
 from tempest.tests import fake_config
@@ -33,47 +32,6 @@
                          fake_config.FakePrivate)
 
 
-# NOTE: The test module is for tempest.test.idempotent_id.
-# After all projects switch to use decorators.idempotent_id,
-# we can remove tempest.test.idempotent_id as well as this
-# test module
-class TestIdempotentIdDecorator(BaseDecoratorsTest):
-
-    def _test_helper(self, _id, **decorator_args):
-        @test.idempotent_id(_id)
-        def foo():
-            """Docstring"""
-            pass
-
-        return foo
-
-    def _test_helper_without_doc(self, _id, **decorator_args):
-        @test.idempotent_id(_id)
-        def foo():
-            pass
-
-        return foo
-
-    def test_positive(self):
-        _id = data_utils.rand_uuid()
-        foo = self._test_helper(_id)
-        self.assertIn('id-%s' % _id, getattr(foo, '__testtools_attrs'))
-        self.assertTrue(foo.__doc__.startswith('Test idempotent id: %s' % _id))
-
-    def test_positive_without_doc(self):
-        _id = data_utils.rand_uuid()
-        foo = self._test_helper_without_doc(_id)
-        self.assertTrue(foo.__doc__.startswith('Test idempotent id: %s' % _id))
-
-    def test_idempotent_id_not_str(self):
-        _id = 42
-        self.assertRaises(TypeError, self._test_helper, _id)
-
-    def test_idempotent_id_not_valid_uuid(self):
-        _id = '42'
-        self.assertRaises(ValueError, self._test_helper, _id)
-
-
 class TestServicesDecorator(BaseDecoratorsTest):
     def _test_services_helper(self, *decorator_args):
         class TestFoo(test.BaseTestCase):
diff --git a/tools/tempest-integrated-gate-compute-exclude-list.txt b/tools/tempest-integrated-gate-compute-exclude-list.txt
index 2290751..8805262 100644
--- a/tools/tempest-integrated-gate-compute-exclude-list.txt
+++ b/tools/tempest-integrated-gate-compute-exclude-list.txt
@@ -11,9 +11,3 @@
 tempest.scenario.test_object_storage_basic_ops.TestObjectStorageBasicOps.test_swift_basic_ops
 tempest.scenario.test_object_storage_basic_ops.TestObjectStorageBasicOps.test_swift_acl_anonymous_download
 tempest.scenario.test_volume_backup_restore.TestVolumeBackupRestore.test_volume_backup_restore
-
-# Skip test scenario when creating second image from instance
-# https://bugs.launchpad.net/tripleo/+bug/1881592
-# The test is most likely wrong and may fail if the fists image is create quickly.
-# FIXME: Either fix the test so it won't race or consider if we should cover the scenario at all.
-tempest.api.compute.images.test_images_oneserver_negative.ImagesOneServerNegativeTestJSON.test_create_second_image_when_first_image_is_being_saved
diff --git a/tox.ini b/tox.ini
index c01852b..2315163 100644
--- a/tox.ini
+++ b/tox.ini
@@ -136,7 +136,7 @@
 commands =
     find . -type f -name "*.pyc" -delete
     tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --exclude-list ./tools/tempest-integrated-gate-networking-exclude-list.txt {posargs}
-    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --exlude-list ./tools/tempest-integrated-gate-networking-exclude-list.txt {posargs}
+    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --exclude-list ./tools/tempest-integrated-gate-networking-exclude-list.txt {posargs}
 
 [testenv:integrated-compute]
 envdir = .tox/tempest
diff --git a/zuul.d/integrated-gate.yaml b/zuul.d/integrated-gate.yaml
index 27bbf64..52ccd3e 100644
--- a/zuul.d/integrated-gate.yaml
+++ b/zuul.d/integrated-gate.yaml
@@ -11,8 +11,10 @@
     vars:
       tox_envlist: all
       tempest_test_regex: tempest
-      devstack_localrc:
-        ENABLE_FILE_INJECTION: true
+      # TODO(gmann): Enable File injection tests once nova bug is fixed
+      # https://bugs.launchpad.net/nova/+bug/1882421
+      # devstack_localrc:
+      #   ENABLE_FILE_INJECTION: true
 
 - job:
     name: tempest-ipv6-only
@@ -294,6 +296,8 @@
         * legacy-tempest-dsvm-neutron-scenario-multinode-lvm-multibackend
         * tempest-scenario-multinode-lvm-multibackend
     timeout: 10800
+    # This job runs on stable/stein onwards.
+    branches: ^(?!stable/(ocata|pike|queens|rocky)).*$
     vars:
       tox_envlist: slow-serial
       devstack_localrc:
@@ -314,6 +318,46 @@
           ENABLE_VOLUME_MULTIATTACH: true
 
 - job:
+    name: tempest-slow
+    parent: tempest-multinode-full
+    description: |
+      This multinode integration job will run all the tests tagged as slow.
+      It enables the lvm multibackend setup to cover few scenario tests.
+      This job will run only slow tests (API or Scenario) serially.
+
+      Former names for this job were:
+        * legacy-tempest-dsvm-neutron-scenario-multinode-lvm-multibackend
+        * tempest-scenario-multinode-lvm-multibackend
+    timeout: 10800
+    branches:
+      - stable/pike
+      - stable/queens
+      - stable/rocky
+    vars:
+      tox_envlist: slow-serial
+      devstack_localrc:
+        CINDER_ENABLED_BACKENDS: lvm:lvmdriver-1,lvm:lvmdriver-2
+        ENABLE_VOLUME_MULTIATTACH: true
+        # to avoid https://bugs.launchpad.net/neutron/+bug/1914037
+        # as we couldn't backport the fix to rocky and older releases
+        IPV6_PUBLIC_RANGE: 2001:db8:0:10::/64
+        IPV6_PUBLIC_NETWORK_GATEWAY: 2001:db8:0:10::2
+        IPV6_ROUTER_GW_IP: 2001:db8:0:10::1
+      devstack_plugins:
+        neutron: https://opendev.org/openstack/neutron
+      devstack_services:
+        neutron-placement: true
+        neutron-qos: true
+      tempest_concurrency: 2
+    group-vars:
+      # NOTE(mriedem): The ENABLE_VOLUME_MULTIATTACH variable is used on both
+      # the controller and subnode prior to Rocky so we have to make sure the
+      # variable is set in both locations.
+      subnode:
+        devstack_localrc:
+          ENABLE_VOLUME_MULTIATTACH: true
+
+- job:
     name: tempest-slow-py3
     parent: tempest-slow
     vars:
@@ -352,7 +396,9 @@
       Former name for this job was legacy-tempest-dsvm-neutron-pg-full.
     vars:
       devstack_localrc:
-        ENABLE_FILE_INJECTION: true
+        # TODO(gmann): Enable File injection tests once nova bug is fixed
+        # https://bugs.launchpad.net/nova/+bug/1882421
+        # ENABLE_FILE_INJECTION: true
         DATABASE_TYPE: postgresql
 
 - project-template:
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 5dcd27f..d5b2787 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -8,17 +8,6 @@
       - release-notes-jobs-python3
     check:
       jobs:
-        - devstack-tempest:
-            files:
-              - ^playbooks/
-              - ^roles/
-              - ^.zuul.yaml$
-        - devstack-tempest-ipv6:
-            voting: false
-            files:
-              - ^playbooks/
-              - ^roles/
-              - ^.zuul.yaml$
         - tempest-full-parallel:
             # Define list of irrelevant files to use everywhere else
             irrelevant-files: &tempest-irrelevant-files