diff --git a/tempest/api/compute/admin/test_live_migration.py b/tempest/api/compute/admin/test_live_migration.py
index 653a3cd..3ad9305 100644
--- a/tempest/api/compute/admin/test_live_migration.py
+++ b/tempest/api/compute/admin/test_live_migration.py
@@ -76,9 +76,6 @@
             if host != target_host:
                 return target_host
 
-    def _get_server_status(self, server_id):
-        return self._get_server_details(server_id)['status']
-
     def _volume_clean_up(self, server_id, volume_id):
         body = self.volumes_client.show_volume(volume_id)['volume']
         if body['status'] == 'in-use':
@@ -129,10 +126,6 @@
     @test.idempotent_id('1e107f21-61b2-4988-8f22-b196e938ab88')
     @testtools.skipUnless(CONF.compute_feature_enabled.pause,
                           'Pause is not available.')
-    @testtools.skipUnless(CONF.compute_feature_enabled
-                              .live_migrate_paused_instances,
-                          'Live migration of paused instances is not '
-                          'available.')
     def test_live_block_migration_paused(self):
         self._test_live_migration(state='PAUSED')
 
diff --git a/tempest/api/compute/limits/test_absolute_limits_negative.py b/tempest/api/compute/limits/test_absolute_limits_negative.py
index 73e852f..773bf23 100644
--- a/tempest/api/compute/limits/test_absolute_limits_negative.py
+++ b/tempest/api/compute/limits/test_absolute_limits_negative.py
@@ -31,7 +31,6 @@
     def setup_clients(cls):
         super(AbsoluteLimitsNegativeTestJSON, cls).setup_clients()
         cls.client = cls.limits_client
-        cls.server_client = cls.servers_client
 
     @test.attr(type=['negative'])
     @test.idempotent_id('215cd465-d8ae-49c9-bf33-9c911913a5c8')
diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index a6ccdd3..be79163 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -45,6 +45,7 @@
     def setup_clients(cls):
         super(AttachInterfacesTestJSON, cls).setup_clients()
         cls.client = cls.os.interfaces_client
+        cls.ports_client = cls.os.ports_client
 
     def wait_for_interface_status(self, server, port_id, status):
         """Waits for an interface to reach a given status."""
@@ -108,6 +109,18 @@
         self._check_interface(iface, network_id=network_id)
         return iface
 
+    def _test_create_interface_by_port_id(self, server, ifs):
+        network_id = ifs[0]['net_id']
+        port = self.ports_client.create_port(network_id=network_id)
+        port_id = port['port']['id']
+        self.addCleanup(self.ports_client.delete_port, port_id)
+        iface = self.client.create_interface(
+            server['id'], port_id=port_id)['interfaceAttachment']
+        iface = self.wait_for_interface_status(
+            server['id'], iface['port_id'], 'ACTIVE')
+        self._check_interface(iface, port_id=port_id)
+        return iface
+
     def _test_show_interface(self, server, ifs):
         iface = ifs[0]
         _iface = self.client.show_interface(
@@ -167,6 +180,9 @@
         iface = self._test_create_interface_by_network_id(server, ifs)
         ifs.append(iface)
 
+        iface = self._test_create_interface_by_port_id(server, ifs)
+        ifs.append(iface)
+
         _ifs = (self.client.list_interfaces(server['id'])
                 ['interfaceAttachments'])
         self._compare_iface_list(ifs, _ifs)
diff --git a/tempest/api/compute/servers/test_server_group.py b/tempest/api/compute/servers/test_server_group.py
index c23b365..e32f6b0 100644
--- a/tempest/api/compute/servers/test_server_group.py
+++ b/tempest/api/compute/servers/test_server_group.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib import decorators
-
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest import test
@@ -81,13 +79,6 @@
         policy = ['anti-affinity']
         self._create_delete_server_group(policy)
 
-    @decorators.skip_because(bug="1324348")
-    @test.idempotent_id('6d9bae05-eb32-425d-a673-e14e1b1c6306')
-    def test_create_delete_server_group_with_multiple_policies(self):
-        # Create and Delete the server-group with multiple policies
-        policies = ['affinity', 'affinity']
-        self._create_delete_server_group(policies)
-
     @test.idempotent_id('154dc5a4-a2fe-44b5-b99e-f15806a4a113')
     def test_create_delete_multiple_server_groups_with_same_name_policy(self):
         # Create and Delete the server-groups with same name and same policy
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index 3e6533a..531ff56 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -82,11 +82,11 @@
         self.addCleanup(self.client.delete_role, role['id'])
 
         # Grant the user the role on both projects.
-        self.client.assign_user_role(project1['id'], user['id'],
-                                     role['id'])
+        self.client.assign_user_role_on_project(project1['id'], user['id'],
+                                                role['id'])
 
-        self.client.assign_user_role(project2['id'], user['id'],
-                                     role['id'])
+        self.client.assign_user_role_on_project(project2['id'], user['id'],
+                                                role['id'])
 
         # Get an unscoped token.
         token_auth = self.token.auth(user_id=user['id'],
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 37611e0..180e695 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -76,12 +76,12 @@
         self.not_delegated_role_id = role['id']
 
         # Assign roles to trustor
-        self.client.assign_user_role(self.trustor_project_id,
-                                     self.trustor_user_id,
-                                     self.delegated_role_id)
-        self.client.assign_user_role(self.trustor_project_id,
-                                     self.trustor_user_id,
-                                     self.not_delegated_role_id)
+        self.client.assign_user_role_on_project(self.trustor_project_id,
+                                                self.trustor_user_id,
+                                                self.delegated_role_id)
+        self.client.assign_user_role_on_project(self.trustor_project_id,
+                                                self.trustor_user_id,
+                                                self.not_delegated_role_id)
 
         # Get trustee user ID, use the demo user
         trustee_username = self.non_admin_client.user
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index f7f33b3..de659d8 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -135,9 +135,9 @@
             self.addCleanup(
                 self.projects_client.delete_project, project_body['id'])
             # Assigning roles to user on project
-            self.client.assign_user_role(project['id'],
-                                         user['id'],
-                                         role['id'])
+            self.client.assign_user_role_on_project(project['id'],
+                                                    user['id'],
+                                                    role['id'])
             assigned_project_ids.append(project['id'])
         body = self.users_client.list_user_projects(user['id'])['projects']
         for i in body:
diff --git a/tempest/api/messaging/__init__.py b/tempest/api/messaging/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/api/messaging/__init__.py
+++ /dev/null
diff --git a/tempest/api/messaging/base.py b/tempest/api/messaging/base.py
deleted file mode 100644
index a324c37..0000000
--- a/tempest/api/messaging/base.py
+++ /dev/null
@@ -1,161 +0,0 @@
-# Copyright (c) 2014 Rackspace, 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.common.utils import data_utils
-from tempest import config
-from tempest import test
-
-CONF = config.CONF
-
-
-class BaseMessagingTest(test.BaseTestCase):
-
-    """Base class for the Messaging (Zaqar) tests
-
-    It is assumed that the following option is defined in the
-    [service_available] section of etc/tempest.conf
-
-        messaging as True
-    """
-
-    credentials = ['primary']
-
-    @classmethod
-    def skip_checks(cls):
-        super(BaseMessagingTest, cls).skip_checks()
-        if not CONF.service_available.zaqar:
-            raise cls.skipException("Zaqar support is required")
-
-    @classmethod
-    def setup_clients(cls):
-        super(BaseMessagingTest, cls).setup_clients()
-        cls.client = cls.os.messaging_client
-
-    @classmethod
-    def resource_setup(cls):
-        super(BaseMessagingTest, cls).resource_setup()
-        cls.messaging_cfg = CONF.messaging
-
-    @classmethod
-    def create_queue(cls, queue_name):
-        """Wrapper utility that returns a test queue."""
-        resp, body = cls.client.create_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def delete_queue(cls, queue_name):
-        """Wrapper utility that deletes a test queue."""
-        resp, body = cls.client.delete_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def check_queue_exists(cls, queue_name):
-        """Wrapper utility that checks the existence of a test queue."""
-        resp, body = cls.client.show_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def check_queue_exists_head(cls, queue_name):
-        """Wrapper utility checks the head of a queue via http HEAD."""
-        resp, body = cls.client.head_queue(queue_name)
-        return resp, body
-
-    @classmethod
-    def list_queues(cls):
-        """Wrapper utility that lists queues."""
-        resp, body = cls.client.list_queues()
-        return resp, body
-
-    @classmethod
-    def get_queue_stats(cls, queue_name):
-        """Wrapper utility that returns the queue stats."""
-        resp, body = cls.client.show_queue_stats(queue_name)
-        return resp, body
-
-    @classmethod
-    def get_queue_metadata(cls, queue_name):
-        """Wrapper utility that gets a queue metadata."""
-        resp, body = cls.client.show_queue_metadata(queue_name)
-        return resp, body
-
-    @classmethod
-    def set_queue_metadata(cls, queue_name, rbody):
-        """Wrapper utility that sets the metadata of a queue."""
-        resp, body = cls.client.set_queue_metadata(queue_name, rbody)
-        return resp, body
-
-    @classmethod
-    def post_messages(cls, queue_name, rbody):
-        """Wrapper utility that posts messages to a queue."""
-        resp, body = cls.client.post_messages(queue_name, rbody)
-
-        return resp, body
-
-    @classmethod
-    def list_messages(cls, queue_name):
-        """Wrapper utility that lists the messages in a queue."""
-        resp, body = cls.client.list_messages(queue_name)
-
-        return resp, body
-
-    @classmethod
-    def delete_messages(cls, message_uri):
-        """Wrapper utility that deletes messages."""
-        resp, body = cls.client.delete_messages(message_uri)
-
-        return resp, body
-
-    @classmethod
-    def post_claims(cls, queue_name, rbody, url_params=False):
-        """Wrapper utility that claims messages."""
-        resp, body = cls.client.post_claims(
-            queue_name, rbody, url_params=False)
-
-        return resp, body
-
-    @classmethod
-    def query_claim(cls, claim_uri):
-        """Wrapper utility that gets a claim."""
-        resp, body = cls.client.query_claim(claim_uri)
-
-        return resp, body
-
-    @classmethod
-    def update_claim(cls, claim_uri, rbody):
-        """Wrapper utility that updates a claim."""
-        resp, body = cls.client.update_claim(claim_uri, rbody)
-
-        return resp, body
-
-    @classmethod
-    def release_claim(cls, claim_uri):
-        """Wrapper utility that deletes a claim."""
-        resp, body = cls.client.delete_claim(claim_uri)
-
-        return resp, body
-
-    @classmethod
-    def generate_message_body(cls, repeat=1):
-        """Wrapper utility that sets the metadata of a queue."""
-        message_ttl = data_utils.\
-            rand_int_id(start=60, end=CONF.messaging.max_message_ttl)
-
-        key = data_utils.arbitrary_string(size=20, base_text='MessagingKey')
-        value = data_utils.arbitrary_string(size=20,
-                                            base_text='MessagingValue')
-        message_body = {key: value}
-
-        rbody = ([{'body': message_body, 'ttl': message_ttl}] * repeat)
-        return rbody
diff --git a/tempest/api/messaging/test_claims.py b/tempest/api/messaging/test_claims.py
deleted file mode 100644
index 99edde1..0000000
--- a/tempest/api/messaging/test_claims.py
+++ /dev/null
@@ -1,125 +0,0 @@
-# Copyright (c) 2014 Rackspace, 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 six.moves.urllib import parse as urlparse
-from tempest_lib import decorators
-
-from tempest.api.messaging import base
-from tempest.common.utils import data_utils
-from tempest import config
-from tempest import test
-
-
-CONF = config.CONF
-
-
-class TestClaims(base.BaseMessagingTest):
-
-    @classmethod
-    def resource_setup(cls):
-        super(TestClaims, cls).resource_setup()
-        cls.queue_name = data_utils.rand_name('Queues-Test')
-        # Create Queue
-        cls.create_queue(cls.queue_name)
-
-    def _post_and_claim_messages(self, queue_name, repeat=1):
-        # Post Messages
-        message_body = self.generate_message_body(repeat=repeat)
-        self.client.post_messages(queue_name=self.queue_name,
-                                  rbody=message_body)
-
-        # Post Claim
-        claim_ttl = data_utils.rand_int_id(start=60,
-                                           end=CONF.messaging.max_claim_ttl)
-        claim_grace = data_utils.\
-            rand_int_id(start=60, end=CONF.messaging.max_claim_grace)
-        claim_body = {"ttl": claim_ttl, "grace": claim_grace}
-        resp, body = self.client.post_claims(queue_name=self.queue_name,
-                                             rbody=claim_body)
-
-        return resp, body
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('936cb1ca-b7af-44dd-a752-805e8c98156f')
-    def test_post_claim(self):
-        _, body = self._post_and_claim_messages(queue_name=self.queue_name)
-        claimed_message_uri = body[0]['href']
-
-        # Skipping this step till bug-1331517  is fixed
-        # Get posted claim
-        # self.client.query_claim(claimed_message_uri)
-
-        # Delete Claimed message
-        self.client.delete_messages(claimed_message_uri)
-
-    @decorators.skip_because(bug="1331517")
-    @test.attr(type='smoke')
-    @test.idempotent_id('84e491f4-68c6-451f-9846-b8f868eb27c5')
-    def test_query_claim(self):
-        # Post a Claim
-        resp, body = self._post_and_claim_messages(queue_name=self.queue_name)
-
-        # Query Claim
-        claim_uri = resp['location']
-        self.client.query_claim(claim_uri)
-
-        # Delete Claimed message
-        claimed_message_uri = body[0]['href']
-        self.delete_messages(claimed_message_uri)
-
-    @decorators.skip_because(bug="1328111")
-    @test.attr(type='smoke')
-    @test.idempotent_id('420ef0c5-9bd6-4b82-b06d-d9da330fefd3')
-    def test_update_claim(self):
-        # Post a Claim
-        resp, body = self._post_and_claim_messages(queue_name=self.queue_name)
-
-        claim_uri = resp['location']
-        claimed_message_uri = body[0]['href']
-
-        # Update Claim
-        claim_ttl = data_utils.rand_int_id(start=60,
-                                           end=CONF.messaging.max_claim_ttl)
-        update_rbody = {"ttl": claim_ttl}
-
-        self.client.update_claim(claim_uri, rbody=update_rbody)
-
-        # Verify claim ttl >= updated ttl value
-        _, body = self.client.query_claim(claim_uri)
-        updated_claim_ttl = body["ttl"]
-        self.assertTrue(updated_claim_ttl >= claim_ttl)
-
-        # Delete Claimed message
-        self.client.delete_messages(claimed_message_uri)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('fd4c7921-cb3f-4ed8-9ac8-e8f1e74c44aa')
-    def test_release_claim(self):
-        # Post a Claim
-        resp, body = self._post_and_claim_messages(queue_name=self.queue_name)
-        claim_uri = resp['location']
-
-        # Release Claim
-        self.client.delete_claim(claim_uri)
-
-        # Delete Claimed message
-        # This will implicitly verify that the claim is deleted.
-        message_uri = urlparse.urlparse(claim_uri).path
-        self.client.delete_messages(message_uri)
-
-    @classmethod
-    def resource_cleanup(cls):
-        cls.delete_queue(cls.queue_name)
-        super(TestClaims, cls).resource_cleanup()
diff --git a/tempest/api/messaging/test_messages.py b/tempest/api/messaging/test_messages.py
deleted file mode 100644
index 7f4182a..0000000
--- a/tempest/api/messaging/test_messages.py
+++ /dev/null
@@ -1,125 +0,0 @@
-# Copyright (c) 2014 Rackspace, 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.api.messaging import base
-from tempest.common.utils import data_utils
-from tempest import config
-from tempest import test
-
-
-CONF = config.CONF
-
-
-class TestMessages(base.BaseMessagingTest):
-
-    @classmethod
-    def resource_setup(cls):
-        super(TestMessages, cls).resource_setup()
-        cls.queue_name = data_utils.rand_name('Queues-Test')
-        # Create Queue
-        cls.client.create_queue(cls.queue_name)
-
-    def _post_messages(self, repeat=CONF.messaging.max_messages_per_page):
-        message_body = self.generate_message_body(repeat=repeat)
-        resp, body = self.post_messages(queue_name=self.queue_name,
-                                        rbody=message_body)
-        return resp, body
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('93867172-a414-4eb3-a639-96e943c516b4')
-    def test_post_messages(self):
-        # Post Messages
-        resp, _ = self._post_messages()
-
-        # Get on the posted messages
-        message_uri = resp['location']
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('c967d59a-e919-41cb-994b-1c4300452c80')
-    def test_list_messages(self):
-        # Post Messages
-        self._post_messages()
-
-        # List Messages
-        resp, _ = self.list_messages(queue_name=self.queue_name)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('2a68e3de-24df-47c3-9039-ec4156656bf8')
-    def test_get_message(self):
-        # Post Messages
-        _, body = self._post_messages()
-        message_uri = body['resources'][0]
-
-        # Get posted message
-        resp, _ = self.client.show_single_message(message_uri)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('c4b0a30b-efda-4b87-a395-0c43140df74d')
-    def test_get_multiple_messages(self):
-        # Post Messages
-        resp, _ = self._post_messages()
-        message_uri = resp['location']
-
-        # Get posted messages
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response cannot be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('200', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('fc0fca47-dd8b-4ecc-8522-d9c191f9bc9f')
-    def test_delete_single_message(self):
-        # Post Messages
-        _, body = self._post_messages()
-        message_uri = body['resources'][0]
-
-        # Delete posted message & verify the delete operration
-        self.client.delete_messages(message_uri)
-
-        message_uri = message_uri.replace('/messages/', '/messages?ids=')
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response has to be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('204', resp['status'])
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('00cca069-5c8f-4b42-bff1-c577da2a4546')
-    def test_delete_multiple_messages(self):
-        # Post Messages
-        resp, _ = self._post_messages()
-        message_uri = resp['location']
-
-        # Delete multiple messages
-        self.client.delete_messages(message_uri)
-        resp, _ = self.client.show_multiple_messages(message_uri)
-        # The test has an assertion here, because the response has to be 204
-        # in this case (the client allows 200 or 204 for this API call).
-        self.assertEqual('204', resp['status'])
-
-    @classmethod
-    def resource_cleanup(cls):
-        cls.delete_queue(cls.queue_name)
-        super(TestMessages, cls).resource_cleanup()
diff --git a/tempest/api/messaging/test_queues.py b/tempest/api/messaging/test_queues.py
deleted file mode 100644
index dcb5450..0000000
--- a/tempest/api/messaging/test_queues.py
+++ /dev/null
@@ -1,124 +0,0 @@
-# Copyright (c) 2014 Rackspace, 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 six import moves
-from tempest_lib import exceptions as lib_exc
-from testtools import matchers
-
-from tempest.api.messaging import base
-from tempest.common.utils import data_utils
-from tempest import test
-
-
-class TestQueues(base.BaseMessagingTest):
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('9f1c4c72-80c5-4dac-acf3-188cef42e36c')
-    def test_create_delete_queue(self):
-        # Create & Delete Queue
-        queue_name = data_utils.rand_name('test')
-        _, body = self.create_queue(queue_name)
-
-        self.addCleanup(self.client.delete_queue, queue_name)
-        # NOTE(gmann): create_queue returns response status code as 201
-        # so specifically checking the expected empty response body as
-        # this is not going to be checked in response_checker().
-        self.assertEqual('', body)
-
-        self.delete_queue(queue_name)
-        self.assertRaises(lib_exc.NotFound,
-                          self.client.show_queue,
-                          queue_name)
-
-
-class TestManageQueue(base.BaseMessagingTest):
-
-    @classmethod
-    def resource_setup(cls):
-        super(TestManageQueue, cls).resource_setup()
-        cls.queues = list()
-        for _ in moves.xrange(5):
-            queue_name = data_utils.rand_name('Queues-Test')
-            cls.queues.append(queue_name)
-            # Create Queue
-            cls.client.create_queue(queue_name)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('ccd3d69e-f156-4c5f-8a12-b4f24bee44e1')
-    def test_check_queue_existence(self):
-        # Checking Queue Existence
-        for queue_name in self.queues:
-            self.check_queue_exists(queue_name)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('e27634d8-9c8f-47d8-a677-655c47658d3e')
-    def test_check_queue_head(self):
-        # Checking Queue Existence by calling HEAD
-        for queue_name in self.queues:
-            self.check_queue_exists_head(queue_name)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('0a0feeca-7768-4303-806d-82bbbb796ad3')
-    def test_list_queues(self):
-        # Listing queues
-        _, body = self.list_queues()
-        self.assertEqual(len(body['queues']), len(self.queues))
-        for item in body['queues']:
-            self.assertIn(item['name'], self.queues)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('8fb66602-077d-49d6-ae1a-5f2091739178')
-    def test_get_queue_stats(self):
-        # Retrieve random queue
-        queue_name = self.queues[data_utils.rand_int_id(0,
-                                                        len(self.queues) - 1)]
-        # Get Queue Stats for a newly created Queue
-        _, body = self.get_queue_stats(queue_name)
-        msgs = body['messages']
-        for element in ('free', 'claimed', 'total'):
-            self.assertEqual(0, msgs[element])
-        for element in ('oldest', 'newest'):
-            self.assertNotIn(element, msgs)
-
-    @test.attr(type='smoke')
-    @test.idempotent_id('0e2441e6-6593-4bdb-a3c0-20e66eeb3fff')
-    def test_set_and_get_queue_metadata(self):
-        # Retrieve random queue
-        queue_name = self.queues[data_utils.rand_int_id(0,
-                                                        len(self.queues) - 1)]
-        # Check the Queue has no metadata
-        _, body = self.get_queue_metadata(queue_name)
-        self.assertThat(body, matchers.HasLength(0))
-        # Create metadata
-        key3 = [0, 1, 2, 3, 4]
-        key2 = data_utils.rand_name('value')
-        req_body1 = dict()
-        req_body1[data_utils.rand_name('key3')] = key3
-        req_body1[data_utils.rand_name('key2')] = key2
-        req_body = dict()
-        req_body[data_utils.rand_name('key1')] = req_body1
-        # Set Queue Metadata
-        self.set_queue_metadata(queue_name, req_body)
-
-        # Get Queue Metadata
-        _, body = self.get_queue_metadata(queue_name)
-        self.assertThat(body, matchers.Equals(req_body))
-
-    @classmethod
-    def resource_cleanup(cls):
-        for queue_name in cls.queues:
-            cls.client.delete_queue(queue_name)
-        super(TestManageQueue, cls).resource_cleanup()
diff --git a/tempest/api/orchestration/stacks/test_limits.py b/tempest/api/orchestration/stacks/test_limits.py
index 2acf97b..315b3e0 100644
--- a/tempest/api/orchestration/stacks/test_limits.py
+++ b/tempest/api/orchestration/stacks/test_limits.py
@@ -33,7 +33,7 @@
   Foo: bar''' % fill
         ex = self.assertRaises(lib_exc.BadRequest, self.create_stack,
                                stack_name, template)
-        self.assertIn('Template exceeds maximum allowed size', str(ex))
+        self.assertIn('exceeds maximum allowed size', str(ex))
 
     @test.idempotent_id('d1b83e73-7cad-4a22-9839-036548c5387c')
     def test_exceed_max_resources_per_stack(self):
diff --git a/tempest/api_schema/response/messaging/__init__.py b/tempest/api_schema/response/messaging/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/api_schema/response/messaging/__init__.py
+++ /dev/null
diff --git a/tempest/api_schema/response/messaging/v1/__init__.py b/tempest/api_schema/response/messaging/v1/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/api_schema/response/messaging/v1/__init__.py
+++ /dev/null
diff --git a/tempest/api_schema/response/messaging/v1/queues.py b/tempest/api_schema/response/messaging/v1/queues.py
deleted file mode 100644
index 09e0147..0000000
--- a/tempest/api_schema/response/messaging/v1/queues.py
+++ /dev/null
@@ -1,239 +0,0 @@
-
-# Copyright (c) 2014 Rackspace, 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.
-
-
-list_link = {
-    'type': 'object',
-    'properties': {
-        'rel': {'type': 'string'},
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        }
-    },
-    'required': ['href', 'rel']
-}
-
-list_queue = {
-    'type': 'object',
-    'properties': {
-        'name': {'type': 'string'},
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        },
-        'metadata': {'type': 'object'}
-    },
-    'required': ['name', 'href']
-}
-
-list_queues = {
-    'status_code': [200, 204],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'links': {
-                'type': 'array',
-                'items': list_link,
-                'maxItems': 1
-            },
-            'queues': {
-                'type': 'array',
-                'items': list_queue
-            }
-        },
-        'required': ['links', 'queues']
-    }
-}
-
-age = {
-    'type': 'number',
-    'minimum': 0
-}
-
-message_link = {
-    'type': 'object',
-    'properties': {
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        },
-        'age': age,
-        'created': {
-            'type': 'string',
-            'format': 'date-time'
-        }
-    },
-    'required': ['href', 'age', 'created']
-}
-
-messages = {
-    'type': 'object',
-    'properties': {
-        'free': {'type': 'number'},
-        'claimed': {'type': 'number'},
-        'total': {'type': 'number'},
-        'oldest': message_link,
-        'newest': message_link
-    },
-    'required': ['free', 'claimed', 'total']
-}
-
-queue_stats = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'messages': messages
-        },
-        'required': ['messages']
-    }
-}
-
-resource_schema = {
-    'type': 'array',
-    'items': {
-        'type': 'string'
-    },
-    'minItems': 1
-}
-
-post_messages = {
-    'status_code': [201],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'resources': resource_schema,
-            'partial': {'type': 'boolean'}
-        }
-    },
-    'required': ['resources', 'partial']
-}
-
-message_ttl = {
-    'type': 'number',
-    'minimum': 1
-}
-
-list_messages_links = {
-    'type': 'array',
-    'maxItems': 1,
-    'minItems': 1,
-    'items': {
-        'type': 'object',
-        'properties': {
-            'rel': {'type': 'string'},
-            'href': {'type': 'string'}
-        },
-        'required': ['rel', 'href']
-    }
-}
-
-list_messages_response = {
-    'type': 'array',
-    'minItems': 1,
-    'items': {
-        'type': 'object',
-        'properties': {
-            'href': {'type': 'string'},
-            'ttl': message_ttl,
-            'age': age,
-            'body': {'type': 'object'}
-        },
-        'required': ['href', 'ttl', 'age', 'body']
-    }
-}
-
-list_messages = {
-    'status_code': [200, 204],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'links': list_messages_links,
-            'messages': list_messages_response
-        }
-    },
-    'required': ['links', 'messages']
-}
-
-single_message = {
-    'type': 'object',
-    'properties': {
-        'href': {'type': 'string'},
-        'ttl': message_ttl,
-        'age': age,
-        'body': {'type': 'object'}
-    },
-    'required': ['href', 'ttl', 'age', 'body']
-}
-
-get_single_message = {
-    'status_code': [200],
-    'response_body': single_message
-}
-
-get_multiple_messages = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'array',
-        'items': single_message,
-        'minItems': 1
-    }
-}
-
-messages_claimed = {
-    'type': 'object',
-    'properties': {
-        'href': {
-            'type': 'string',
-            'format': 'uri'
-        },
-        'ttl': message_ttl,
-        'age': {'type': 'number'},
-        'body': {'type': 'object'}
-    },
-    'required': ['href', 'ttl', 'age', 'body']
-}
-
-claim_messages = {
-    'status_code': [201, 204],
-    'response_body': {
-        'type': 'array',
-        'items': messages_claimed,
-        'minItems': 1
-    }
-}
-
-claim_ttl = {
-    'type': 'number',
-    'minimum': 1
-}
-
-query_claim = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'age': {'type': 'number'},
-            'ttl': claim_ttl,
-            'messages': {
-                'type': 'array',
-                'minItems': 1
-            }
-        },
-        'required': ['ttl', 'age', 'messages']
-    }
-}
diff --git a/tempest/clients.py b/tempest/clients.py
index 1b89de1..2a8a4ae 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -132,8 +132,6 @@
 from tempest.services.identity.v3.json.users_clients import UsersV3Client
 from tempest.services.image.v1.json.images_client import ImagesClient
 from tempest.services.image.v2.json.images_client import ImagesClientV2
-from tempest.services.messaging.json.messaging_client import \
-    MessagingClient
 from tempest.services.network.json.network_client import NetworkClient
 from tempest.services.network.json.security_group_rules_client import \
     SecurityGroupRulesClient
@@ -344,11 +342,6 @@
             build_interval=CONF.network.build_interval,
             build_timeout=CONF.network.build_timeout,
             **self.default_params)
-        self.messaging_client = MessagingClient(
-            self.auth_provider,
-            CONF.messaging.catalog_type,
-            CONF.identity.region,
-            **self.default_params_with_timeout_values)
         if CONF.service_available.ceilometer:
             self.telemetry_client = TelemetryClient(
                 self.auth_provider,
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 92aa19e..5e5e127 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -269,7 +269,6 @@
         'data_processing': 'sahara',
         'baremetal': 'ironic',
         'identity': 'keystone',
-        'messaging': 'zaqar',
         'database': 'trove'
     }
     # Get catalog list for endpoints to use for validation
diff --git a/tempest/common/commands.py b/tempest/common/commands.py
deleted file mode 100644
index 392c9d0..0000000
--- a/tempest/common/commands.py
+++ /dev/null
@@ -1,39 +0,0 @@
-# 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 shlex
-import subprocess
-
-from oslo_log import log as logging
-
-LOG = logging.getLogger(__name__)
-
-
-def copy_file_to_host(file_from, dest, host, username, pkey):
-    dest = "%s@%s:%s" % (username, host, dest)
-    cmd = "scp -v -o UserKnownHostsFile=/dev/null " \
-          "-o StrictHostKeyChecking=no " \
-          "-i %(pkey)s %(file1)s %(dest)s" % {'pkey': pkey,
-                                              'file1': file_from,
-                                              'dest': dest}
-    args = shlex.split(cmd.encode('utf-8'))
-    subprocess_args = {'stdout': subprocess.PIPE,
-                       'stderr': subprocess.STDOUT}
-    proc = subprocess.Popen(args, **subprocess_args)
-    stdout, stderr = proc.communicate()
-    if proc.returncode != 0:
-        LOG.error(("Command {0} returned with exit status {1},"
-                  "output {2}, error {3}").format(cmd, proc.returncode,
-                                                  stdout, stderr))
-    return stdout
diff --git a/tempest/common/cred_client.py b/tempest/common/cred_client.py
index 5069807..5aa794c 100644
--- a/tempest/common/cred_client.py
+++ b/tempest/common/cred_client.py
@@ -73,8 +73,7 @@
             msg = 'No "%s" role found' % role_name
             raise lib_exc.NotFound(msg)
         try:
-            self.roles_client.assign_user_role(project['id'], user['id'],
-                                               role['id'])
+            self._assign_user_role(project, user, role)
         except lib_exc.Conflict:
             LOG.debug("Role %s already assigned on project %s for user %s" % (
                 role['id'], project['id'], user['id']))
@@ -123,6 +122,10 @@
             tenant_name=project['name'], tenant_id=project['id'],
             password=password)
 
+    def _assign_user_role(self, project, user, role):
+        self.roles_client.assign_user_role(project['id'], user['id'],
+                                           role['id'])
+
 
 class V3CredsClient(CredsClient):
 
@@ -166,6 +169,11 @@
         roles = self.identity_client.list_roles()['roles']
         return roles
 
+    def _assign_user_role(self, project, user, role):
+        self.roles_client.assign_user_role_on_project(project['id'],
+                                                      user['id'],
+                                                      role['id'])
+
 
 def get_creds_client(identity_client,
                      projects_client,
diff --git a/tempest/common/glance_http.py b/tempest/common/glance_http.py
index 800e977..baf796d 100644
--- a/tempest/common/glance_http.py
+++ b/tempest/common/glance_http.py
@@ -47,7 +47,6 @@
         self.endpoint_scheme = endpoint_parts.scheme
         self.endpoint_hostname = endpoint_parts.hostname
         self.endpoint_port = endpoint_parts.port
-        self.endpoint_path = endpoint_parts.path
 
         self.connection_class = self._get_connection_class(
             self.endpoint_scheme)
diff --git a/tempest/config.py b/tempest/config.py
index 14a6ad2..515f736 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -352,13 +352,6 @@
                 help="Does the test environment block migration support "
                 "cinder iSCSI volumes. Note, libvirt doesn't support this, "
                 "see https://bugs.launchpad.net/nova/+bug/1398999"),
-    # TODO(gilliard): Remove live_migrate_paused_instances at juno-eol.
-    cfg.BoolOpt('live_migrate_paused_instances',
-                default=False,
-                help="Does the test system allow live-migration of paused "
-                "instances? Note, this is more than just the ANDing of "
-                "paused and live_migrate, but all 3 should be set to True "
-                "to run those tests"),
     cfg.BoolOpt('vnc_console',
                 default=False,
                 help='Enable VNC console. This configuration value should '
@@ -394,12 +387,6 @@
     cfg.BoolOpt('personality',
                 default=True,
                 help='Does the test environment support server personality'),
-    # TODO(mriedem): Remove preserve_ports once juno-eol happens.
-    cfg.BoolOpt('preserve_ports',
-                default=False,
-                help='Does Nova preserve preexisting ports from Neutron '
-                     'when deleting an instance? This should be set to True '
-                     'if testing Kilo+ Nova.'),
     cfg.BoolOpt('attach_encrypted_volume',
                 default=True,
                 help='Does the test environment support attaching an '
@@ -574,41 +561,6 @@
                      " port admin state"),
 ]
 
-messaging_group = cfg.OptGroup(name='messaging',
-                               title='Messaging Service')
-
-MessagingGroup = [
-    cfg.StrOpt('catalog_type',
-               default='messaging',
-               help='Catalog type of the Messaging service.'),
-    cfg.IntOpt('max_queues_per_page',
-               default=20,
-               help='The maximum number of queue records per page when '
-                    'listing queues'),
-    cfg.IntOpt('max_queue_metadata',
-               default=65536,
-               help='The maximum metadata size for a queue'),
-    cfg.IntOpt('max_messages_per_page',
-               default=20,
-               help='The maximum number of queue message per page when '
-                    'listing (or) posting messages'),
-    cfg.IntOpt('max_message_size',
-               default=262144,
-               help='The maximum size of a message body'),
-    cfg.IntOpt('max_messages_per_claim',
-               default=20,
-               help='The maximum number of messages per claim'),
-    cfg.IntOpt('max_message_ttl',
-               default=1209600,
-               help='The maximum ttl for a message'),
-    cfg.IntOpt('max_claim_ttl',
-               default=43200,
-               help='The maximum ttl for a claim'),
-    cfg.IntOpt('max_claim_grace',
-               default=43200,
-               help='The maximum grace period for a claim'),
-]
-
 validation_group = cfg.OptGroup(name='validation',
                                 title='SSH Validation options')
 
@@ -1126,9 +1078,6 @@
     cfg.BoolOpt('trove',
                 default=False,
                 help="Whether or not Trove is expected to be available"),
-    cfg.BoolOpt('zaqar',
-                default=False,
-                help="Whether or not Zaqar is expected to be available"),
 ]
 
 debug_group = cfg.OptGroup(name="debug",
@@ -1255,7 +1204,6 @@
     (image_feature_group, ImageFeaturesGroup),
     (network_group, NetworkGroup),
     (network_feature_group, NetworkFeaturesGroup),
-    (messaging_group, MessagingGroup),
     (validation_group, ValidationGroup),
     (volume_group, VolumeGroup),
     (volume_feature_group, VolumeFeaturesGroup),
@@ -1331,7 +1279,6 @@
             'object-storage-feature-enabled']
         self.database = _CONF.database
         self.orchestration = _CONF.orchestration
-        self.messaging = _CONF.messaging
         self.telemetry = _CONF.telemetry
         self.telemetry_feature_enabled = _CONF['telemetry-feature-enabled']
         self.dashboard = _CONF.dashboard
@@ -1384,7 +1331,8 @@
             _CONF([], project='tempest')
 
         logging_cfg_path = "%s/logging.conf" % os.path.dirname(path)
-        if (not hasattr(_CONF, 'log_config_append') and
+        if ((not hasattr(_CONF, 'log_config_append') or
+            _CONF.log_config_append is None) and
             os.path.isfile(logging_cfg_path)):
             # if logging conf is in place we need to set log_config_append
             _CONF.log_config_append = logging_cfg_path
diff --git a/tempest/hacking/checks.py b/tempest/hacking/checks.py
index 88598de..cd4f50d 100644
--- a/tempest/hacking/checks.py
+++ b/tempest/hacking/checks.py
@@ -20,7 +20,7 @@
 
 PYTHON_CLIENTS = ['cinder', 'glance', 'keystone', 'nova', 'swift', 'neutron',
                   'trove', 'ironic', 'savanna', 'heat', 'ceilometer',
-                  'zaqar', 'sahara']
+                  'sahara']
 
 PYTHON_CLIENT_RE = re.compile('import (%s)client' % '|'.join(PYTHON_CLIENTS))
 TEST_DEFINITION = re.compile(r'^\s*def test.*')
diff --git a/tempest/hacking/ignored_list_T110.txt b/tempest/hacking/ignored_list_T110.txt
index f1f21d1..50a5477 100644
--- a/tempest/hacking/ignored_list_T110.txt
+++ b/tempest/hacking/ignored_list_T110.txt
@@ -1,4 +1,3 @@
-./tempest/services/messaging/json/messaging_client.py
 ./tempest/services/object_storage/object_client.py
 ./tempest/services/telemetry/json/alarming_client.py
 ./tempest/services/telemetry/json/telemetry_client.py
diff --git a/tempest/manager.py b/tempest/manager.py
index 9904aa6..6e86c78 100644
--- a/tempest/manager.py
+++ b/tempest/manager.py
@@ -50,8 +50,6 @@
             creds = self.credentials
         # Creates an auth provider for the credentials
         self.auth_provider = get_auth_provider(creds, pre_auth=True)
-        # FIXME(andreaf) unused
-        self.client_attr_names = []
 
 
 def get_auth_provider_class(credentials):
diff --git a/tempest/scenario/test_baremetal_basic_ops.py b/tempest/scenario/test_baremetal_basic_ops.py
index 15d9b66..655d19d 100644
--- a/tempest/scenario/test_baremetal_basic_ops.py
+++ b/tempest/scenario/test_baremetal_basic_ops.py
@@ -15,7 +15,6 @@
 
 from oslo_log import log as logging
 
-from tempest.common import waiters
 from tempest import config
 from tempest.scenario import manager
 from tempest import test
@@ -37,32 +36,10 @@
         * Verifies SSH connectivity using created keypair via fixed IP
         * Associates a floating ip
         * Verifies SSH connectivity using created keypair via floating IP
-        * Verifies instance rebuild with ephemeral partition preservation
         * Deletes instance
         * Monitors the associated Ironic node for power and
           expected state transitions
     """
-    def rebuild_instance(self, preserve_ephemeral=False):
-        self.rebuild_server(server_id=self.instance['id'],
-                            preserve_ephemeral=preserve_ephemeral,
-                            wait=False)
-
-        node = self.get_node(instance_id=self.instance['id'])
-
-        # We should remain on the same node
-        self.assertEqual(self.node['uuid'], node['uuid'])
-        self.node = node
-
-        waiters.wait_for_server_status(
-            self.servers_client,
-            server_id=self.instance['id'],
-            status='REBUILD',
-            ready_wait=False)
-        waiters.wait_for_server_status(
-            self.servers_client,
-            server_id=self.instance['id'],
-            status='ACTIVE')
-
     def verify_partition(self, client, label, mount, gib_size):
         """Verify a labeled partition's mount point and size."""
         LOG.info("Looking for partition %s mounted on %s" % (label, mount))
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 33f0ece..4d03ed7 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -626,9 +626,6 @@
             "admin_state_up of instance port to True")
 
     @test.idempotent_id('759462e1-8535-46b0-ab3a-33aa45c55aaa')
-    @testtools.skipUnless(CONF.compute_feature_enabled.preserve_ports,
-                          'Preserving ports on instance delete may not be '
-                          'supported in the version of Nova being tested.')
     @test.services('compute', 'network')
     def test_preserve_preexisting_port(self):
         """Test preserve pre-existing port
diff --git a/tempest/services/identity/v3/json/identity_client.py b/tempest/services/identity/v3/json/identity_client.py
index 4c19442..809d0b5 100644
--- a/tempest/services/identity/v3/json/identity_client.py
+++ b/tempest/services/identity/v3/json/identity_client.py
@@ -74,13 +74,6 @@
         self.expected_success(204, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def assign_user_role(self, project_id, user_id, role_id):
-        """Add roles to a user on a project."""
-        resp, body = self.put('projects/%s/users/%s/roles/%s' %
-                              (project_id, user_id, role_id), None)
-        self.expected_success(204, resp.status)
-        return service_client.ResponseBody(resp, body)
-
     def create_domain(self, name, **kwargs):
         """Creates a domain."""
         description = kwargs.get('description', None)
diff --git a/tempest/services/messaging/__init__.py b/tempest/services/messaging/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/services/messaging/__init__.py
+++ /dev/null
diff --git a/tempest/services/messaging/json/__init__.py b/tempest/services/messaging/json/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/services/messaging/json/__init__.py
+++ /dev/null
diff --git a/tempest/services/messaging/json/messaging_client.py b/tempest/services/messaging/json/messaging_client.py
deleted file mode 100644
index 5a43841..0000000
--- a/tempest/services/messaging/json/messaging_client.py
+++ /dev/null
@@ -1,176 +0,0 @@
-# Copyright (c) 2014 Rackspace, 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.
-
-import uuid
-
-from oslo_serialization import jsonutils as json
-from six.moves.urllib import parse as urllib
-
-from tempest.api_schema.response.messaging.v1 import queues as queues_schema
-from tempest.common import service_client
-
-
-class MessagingClient(service_client.ServiceClient):
-
-    def __init__(self, auth_provider, service, region,
-                 endpoint_type=None, build_interval=None, build_timeout=None,
-                 disable_ssl_certificate_validation=None, ca_certs=None,
-                 trace_requests=None):
-        dscv = disable_ssl_certificate_validation
-        super(MessagingClient, self).__init__(
-            auth_provider, service, region,
-            endpoint_type=endpoint_type,
-            build_interval=build_interval,
-            build_timeout=build_timeout,
-            disable_ssl_certificate_validation=dscv,
-            ca_certs=ca_certs,
-            trace_requests=trace_requests)
-
-        self.version = '1'
-        self.uri_prefix = 'v{0}'.format(self.version)
-
-        client_id = uuid.uuid4().hex
-        self.headers = {'Client-ID': client_id}
-
-    def list_queues(self):
-        uri = '{0}/queues'.format(self.uri_prefix)
-        resp, body = self.get(uri)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.list_queues, resp, body)
-        return resp, body
-
-    def create_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.put(uri, body=None)
-        self.expected_success(201, resp.status)
-        return resp, body
-
-    def show_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.get(uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def head_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.head(uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def delete_queue(self, queue_name):
-        uri = '{0}/queues/{1}'.format(self.uri_prefix, queue_name)
-        resp, body = self.delete(uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def show_queue_stats(self, queue_name):
-        uri = '{0}/queues/{1}/stats'.format(self.uri_prefix, queue_name)
-        resp, body = self.get(uri)
-        body = json.loads(body)
-        self.validate_response(queues_schema.queue_stats, resp, body)
-        return resp, body
-
-    def show_queue_metadata(self, queue_name):
-        uri = '{0}/queues/{1}/metadata'.format(self.uri_prefix, queue_name)
-        resp, body = self.get(uri)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return resp, body
-
-    def set_queue_metadata(self, queue_name, rbody):
-        uri = '{0}/queues/{1}/metadata'.format(self.uri_prefix, queue_name)
-        resp, body = self.put(uri, body=json.dumps(rbody))
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def post_messages(self, queue_name, rbody):
-        uri = '{0}/queues/{1}/messages'.format(self.uri_prefix, queue_name)
-        resp, body = self.post(uri, body=json.dumps(rbody),
-                               extra_headers=True,
-                               headers=self.headers)
-
-        body = json.loads(body)
-        self.validate_response(queues_schema.post_messages, resp, body)
-        return resp, body
-
-    def list_messages(self, queue_name):
-        uri = '{0}/queues/{1}/messages?echo=True'.format(self.uri_prefix,
-                                                         queue_name)
-        resp, body = self.get(uri, extra_headers=True, headers=self.headers)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.list_messages, resp, body)
-
-        return resp, body
-
-    def show_single_message(self, message_uri):
-        resp, body = self.get(message_uri, extra_headers=True,
-                              headers=self.headers)
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.get_single_message, resp,
-                                   body)
-        return resp, body
-
-    def show_multiple_messages(self, message_uri):
-        resp, body = self.get(message_uri, extra_headers=True,
-                              headers=self.headers)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.get_multiple_messages,
-                                   resp,
-                                   body)
-
-        return resp, body
-
-    def delete_messages(self, message_uri):
-        resp, body = self.delete(message_uri)
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def post_claims(self, queue_name, rbody, url_params=False):
-        uri = '{0}/queues/{1}/claims'.format(self.uri_prefix, queue_name)
-        if url_params:
-            uri += '?%s' % urllib.urlencode(url_params)
-
-        resp, body = self.post(uri, body=json.dumps(rbody),
-                               extra_headers=True,
-                               headers=self.headers)
-
-        body = json.loads(body)
-        self.validate_response(queues_schema.claim_messages, resp, body)
-        return resp, body
-
-    def query_claim(self, claim_uri):
-        resp, body = self.get(claim_uri)
-
-        if resp['status'] != '204':
-            body = json.loads(body)
-            self.validate_response(queues_schema.query_claim, resp, body)
-        return resp, body
-
-    def update_claim(self, claim_uri, rbody):
-        resp, body = self.patch(claim_uri, body=json.dumps(rbody))
-        self.expected_success(204, resp.status)
-        return resp, body
-
-    def delete_claim(self, claim_uri):
-        resp, body = self.delete(claim_uri)
-        self.expected_success(204, resp.status)
-        return resp, body
diff --git a/tempest/test.py b/tempest/test.py
index a676cc2..ee3288c 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -234,6 +234,9 @@
     log_format = ('%(asctime)s %(process)d %(levelname)-8s '
                   '[%(name)s] %(message)s')
 
+    # Client manager class to use in this test case.
+    client_manager = clients.Manager
+
     @classmethod
     def setUpClass(cls):
         # It should never be overridden by descendants
@@ -519,8 +522,8 @@
             else:
                 raise exceptions.InvalidCredentials(
                     "Invalid credentials type %s" % credential_type)
-        return clients.Manager(credentials=creds, service=cls._service,
-                               api_microversions=cls.services_microversion)
+        return cls.client_manager(credentials=creds, service=cls._service,
+                                  api_microversions=cls.services_microversion)
 
     @classmethod
     def clear_credentials(cls):
diff --git a/tempest/tests/common/test_service_clients.py b/tempest/tests/common/test_service_clients.py
index f248957..5a00a2b 100644
--- a/tempest/tests/common/test_service_clients.py
+++ b/tempest/tests/common/test_service_clients.py
@@ -31,7 +31,6 @@
 from tempest.services.identity.v3.json import services_client
 from tempest.services.image.v1.json import images_client
 from tempest.services.image.v2.json import images_client as images_v2_client
-from tempest.services.messaging.json import messaging_client
 from tempest.services.network.json import network_client
 from tempest.services.object_storage import account_client
 from tempest.services.object_storage import container_client
@@ -86,7 +85,6 @@
             data_processing_client.DataProcessingClient,
             db_flavor_client.DatabaseFlavorsClient,
             db_version_client.DatabaseVersionsClient,
-            messaging_client.MessagingClient,
             network_client.NetworkClient,
             account_client.AccountClient,
             container_client.ContainerClient,