diff --git a/doc/source/microversion_testing.rst b/doc/source/microversion_testing.rst
index dc73ef2..6b87b4d 100644
--- a/doc/source/microversion_testing.rst
+++ b/doc/source/microversion_testing.rst
@@ -236,6 +236,10 @@
 
  .. _2.25: http://docs.openstack.org/developer/nova/api_microversion_history.html#maximum-in-mitaka
 
+ * `2.32`_
+
+ .. _2.32: http://docs.openstack.org/developer/nova/api_microversion_history.html#id29
+
  * `2.37`_
 
  .. _2.37: http://docs.openstack.org/developer/nova/api_microversion_history.html#id34
diff --git a/releasenotes/notes/remove-negative-test-generator-1653f4c0f86ccf75.yaml b/releasenotes/notes/remove-negative-test-generator-1653f4c0f86ccf75.yaml
new file mode 100644
index 0000000..a734d15
--- /dev/null
+++ b/releasenotes/notes/remove-negative-test-generator-1653f4c0f86ccf75.yaml
@@ -0,0 +1,4 @@
+---
+upgrade:
+  - The Negative Tests Generator has been removed (it was not used by any
+    Tempest tests).
diff --git a/tempest/api/compute/admin/test_auto_allocate_network.py b/tempest/api/compute/admin/test_auto_allocate_network.py
index 4eb3376..8e481fd 100644
--- a/tempest/api/compute/admin/test_auto_allocate_network.py
+++ b/tempest/api/compute/admin/test_auto_allocate_network.py
@@ -19,8 +19,8 @@
 from tempest.common import credentials_factory as credentials
 from tempest.common import waiters
 from tempest import config
-from tempest import exceptions
 from tempest.lib.common.utils import test_utils
+from tempest.lib import exceptions as lib_excs
 from tempest import test
 
 CONF = config.CONF
@@ -82,14 +82,14 @@
         nets = cls.networks_client.list_networks(
             **search_opts).get('networks', [])
         if nets:
-            raise exceptions.TempestException(
+            raise lib_excs.TempestException(
                 'Found tenant networks: %s' % nets)
         # (2) Retrieve shared network list.
         search_opts = {'shared': True}
         nets = cls.networks_client.list_networks(
             **search_opts).get('networks', [])
         if nets:
-            raise exceptions.TempestException(
+            raise lib_excs.TempestException(
                 'Found shared networks: %s' % nets)
 
     @classmethod
diff --git a/tempest/api/compute/admin/test_hypervisor.py b/tempest/api/compute/admin/test_hypervisor.py
index 55134b1..1f043dc 100644
--- a/tempest/api/compute/admin/test_hypervisor.py
+++ b/tempest/api/compute/admin/test_hypervisor.py
@@ -87,7 +87,7 @@
         ironic_only = True
         hypers_without_ironic = []
         for hyper in hypers:
-            details = (self.client.show_hypervisor(hypers[0]['id'])
+            details = (self.client.show_hypervisor(hyper['id'])
                        ['hypervisor'])
             if details['hypervisor_type'] != 'ironic':
                 hypers_without_ironic.append(hyper)
diff --git a/tempest/api/compute/admin/test_migrations.py b/tempest/api/compute/admin/test_migrations.py
index 4f075eb..c9ba730 100644
--- a/tempest/api/compute/admin/test_migrations.py
+++ b/tempest/api/compute/admin/test_migrations.py
@@ -47,12 +47,7 @@
         server = self.create_test_server(wait_until="ACTIVE")
         server_id = server['id']
 
-        self.servers_client.resize_server(server_id, self.flavor_ref_alt)
-        waiters.wait_for_server_status(self.servers_client,
-                                       server_id, 'VERIFY_RESIZE')
-        self.servers_client.confirm_resize_server(server_id)
-        waiters.wait_for_server_status(self.servers_client,
-                                       server_id, 'ACTIVE')
+        self.resize_server(server_id, self.flavor_ref_alt)
 
         body = self.client.list_migrations()['migrations']
 
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index d8294f7..173ee83 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -75,7 +75,6 @@
             cls.os.compute_security_group_rules_client)
         cls.security_groups_client = cls.os.compute_security_groups_client
         cls.quotas_client = cls.os.quotas_client
-        cls.quota_classes_client = cls.os.quota_classes_client
         cls.compute_networks_client = cls.os.compute_networks_client
         cls.limits_client = cls.os.limits_client
         cls.volumes_extensions_client = cls.os.volumes_extensions_client
@@ -345,6 +344,15 @@
             LOG.exception('Failed to delete server %s' % server_id)
 
     @classmethod
+    def resize_server(cls, server_id, new_flavor_id, **kwargs):
+        """resize and confirm_resize an server, waits for it to be ACTIVE."""
+        cls.servers_client.resize_server(server_id, new_flavor_id, **kwargs)
+        waiters.wait_for_server_status(cls.servers_client, server_id,
+                                       'VERIFY_RESIZE')
+        cls.servers_client.confirm_resize_server(server_id)
+        waiters.wait_for_server_status(cls.servers_client, server_id, 'ACTIVE')
+
+    @classmethod
     def delete_volume(cls, volume_id):
         """Deletes the given volume and waits for it to be gone."""
         cls._delete_volume(cls.volumes_extensions_client, volume_id)
@@ -373,14 +381,18 @@
             self.request_microversion))
 
     @classmethod
-    def create_volume(cls):
+    def create_volume(cls, image_ref=None):
         """Create a volume and wait for it to become 'available'.
 
+        :param image_ref: Specify an image id to create a bootable volume.
         :returns: The available volume.
         """
         vol_name = data_utils.rand_name(cls.__name__ + '-volume')
-        volume = cls.volumes_client.create_volume(
-            size=CONF.volume.volume_size, display_name=vol_name)['volume']
+        create_params = dict(size=CONF.volume.volume_size,
+                             display_name=vol_name)
+        if image_ref is not None:
+            create_params['imageRef'] = image_ref
+        volume = cls.volumes_client.create_volume(**create_params)['volume']
         cls.volumes.append(volume)
         waiters.wait_for_volume_status(cls.volumes_client,
                                        volume['id'], 'available')
diff --git a/tempest/api/compute/floating_ips/test_floating_ips_actions.py b/tempest/api/compute/floating_ips/test_floating_ips_actions.py
index fdf1e93..dcb2d2c 100644
--- a/tempest/api/compute/floating_ips/test_floating_ips_actions.py
+++ b/tempest/api/compute/floating_ips/test_floating_ips_actions.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 from tempest.api.compute.floating_ips import base
-from tempest.common import waiters
 from tempest import config
 from tempest.lib.common.utils import test_utils
 from tempest.lib import exceptions as lib_exc
@@ -111,9 +110,7 @@
         # positive test:Association of an already associated floating IP
         # to specific server should change the association of the Floating IP
         # Create server so as to use for Multiple association
-        body = self.create_test_server()
-        waiters.wait_for_server_status(self.servers_client,
-                                       body['id'], 'ACTIVE')
+        body = self.create_test_server(wait_until='ACTIVE')
         self.new_server_id = body['id']
         self.addCleanup(self.servers_client.delete_server, self.new_server_id)
 
diff --git a/tempest/api/compute/images/test_images_negative.py b/tempest/api/compute/images/test_images_negative.py
index 7035401..c48367f 100644
--- a/tempest/api/compute/images/test_images_negative.py
+++ b/tempest/api/compute/images/test_images_negative.py
@@ -96,7 +96,7 @@
     def test_delete_non_existent_image(self):
         # Return an error while trying to delete a non-existent image
 
-        non_existent_image_id = '11a22b9-12a9-5555-cc11-00ab112223fa'
+        non_existent_image_id = data_utils.rand_uuid()
         self.assertRaises(lib_exc.NotFound, self.client.delete_image,
                           non_existent_image_id)
 
@@ -110,9 +110,9 @@
     @test.idempotent_id('924540c3-f1f1-444c-8f58-718958b6724e')
     def test_delete_image_non_hex_string_id(self):
         # Return an error while trying to delete an image with non hex id
-        image_id = '11a22b9-120q-5555-cc11-00ab112223gj'
+        invalid_image_id = data_utils.rand_uuid()[:-1] + "j"
         self.assertRaises(lib_exc.NotFound, self.client.delete_image,
-                          image_id)
+                          invalid_image_id)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('68e2c175-bd26-4407-ac0f-4ea9ce2139ea')
@@ -122,7 +122,8 @@
 
     @test.attr(type=['negative'])
     @test.idempotent_id('b340030d-82cd-4066-a314-c72fb7c59277')
-    def test_delete_image_id_is_over_35_character_limit(self):
+    def test_delete_image_with_id_over_character_limit(self):
         # Return an error while trying to delete image with id over limit
+        invalid_image_id = data_utils.rand_uuid() + "1"
         self.assertRaises(lib_exc.NotFound, self.client.delete_image,
-                          '11a22b9-12a9-5555-cc11-00ab112223fa-3fac')
+                          invalid_image_id)
diff --git a/tempest/api/compute/images/test_images_oneserver_negative.py b/tempest/api/compute/images/test_images_oneserver_negative.py
index d9b80e1..039283a 100644
--- a/tempest/api/compute/images/test_images_oneserver_negative.py
+++ b/tempest/api/compute/images/test_images_oneserver_negative.py
@@ -69,11 +69,6 @@
             raise cls.skipException(skip_msg)
 
     @classmethod
-    def setup_credentials(cls):
-        cls.prepare_instance_network()
-        super(ImagesOneServerNegativeTestJSON, cls).setup_credentials()
-
-    @classmethod
     def setup_clients(cls):
         super(ImagesOneServerNegativeTestJSON, cls).setup_clients()
         cls.client = cls.compute_images_client
diff --git a/tempest/api/compute/limits/test_absolute_limits.py b/tempest/api/compute/limits/test_absolute_limits.py
index 69811f4..6cc722c 100644
--- a/tempest/api/compute/limits/test_absolute_limits.py
+++ b/tempest/api/compute/limits/test_absolute_limits.py
@@ -35,9 +35,10 @@
                              'maxTotalFloatingIps', 'maxSecurityGroups',
                              'maxSecurityGroupRules', 'maxTotalInstances',
                              'maxTotalKeypairs', 'maxTotalRAMSize',
+                             'maxServerGroups', 'maxServerGroupMembers',
                              'totalCoresUsed', 'totalFloatingIpsUsed',
                              'totalSecurityGroupsUsed', 'totalInstancesUsed',
-                             'totalRAMUsed']
+                             'totalRAMUsed', 'totalServerGroupsUsed']
         # check whether all expected elements exist
         missing_elements =\
             [ele for ele in expected_elements if ele not in absolute_limits]
diff --git a/tempest/api/compute/security_groups/test_security_groups.py b/tempest/api/compute/security_groups/test_security_groups.py
index 755336f..4184afa 100644
--- a/tempest/api/compute/security_groups/test_security_groups.py
+++ b/tempest/api/compute/security_groups/test_security_groups.py
@@ -94,10 +94,8 @@
 
         # Create server and add the security group created
         # above to the server we just created
-        server = self.create_test_server()
+        server = self.create_test_server(wait_until='ACTIVE')
         server_id = server['id']
-        waiters.wait_for_server_status(self.servers_client, server_id,
-                                       'ACTIVE')
         self.servers_client.add_security_group(server_id, name=sg['name'])
 
         # Check that we are not able to delete the security
diff --git a/tempest/api/compute/servers/test_device_tagging.py b/tempest/api/compute/servers/test_device_tagging.py
new file mode 100644
index 0000000..7252e1b
--- /dev/null
+++ b/tempest/api/compute/servers/test_device_tagging.py
@@ -0,0 +1,268 @@
+# Copyright (C) 2016, Red Hat, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import json
+
+from oslo_log import log as logging
+
+from tempest.api.compute import base
+from tempest.common.utils import data_utils
+from tempest.common.utils.linux import remote_client
+from tempest.common import waiters
+from tempest import config
+from tempest.lib import exceptions
+from tempest import test
+
+
+CONF = config.CONF
+
+LOG = logging.getLogger(__name__)
+
+
+class DeviceTaggingTest(base.BaseV2ComputeTest):
+
+    min_microversion = '2.32'
+    max_microversion = 'latest'
+
+    @classmethod
+    def skip_checks(cls):
+        super(DeviceTaggingTest, cls).skip_checks()
+        if not CONF.service_available.neutron:
+            raise cls.skipException('Neutron is required')
+        if not CONF.validation.run_validation:
+            raise cls.skipException('Validation must be enabled')
+        if (not CONF.compute_feature_enabled.config_drive
+            and not CONF.compute_feature_enabled.metadata_service):
+            raise cls.skipException('One of metadata or config drive must be '
+                                    'enabled')
+
+    @classmethod
+    def setup_clients(cls):
+        super(DeviceTaggingTest, cls).setup_clients()
+        cls.networks_client = cls.os.networks_client
+        cls.ports_client = cls.os.ports_client
+        cls.volumes_client = cls.os.volumes_client
+        cls.subnets_client = cls.os.subnets_client
+        cls.routers_client = cls.os.routers_client
+        cls.interfaces_client = cls.os.interfaces_client
+
+    @classmethod
+    def setup_credentials(cls):
+        cls.set_network_resources(network=True, subnet=True, router=True,
+                                  dhcp=True)
+        super(DeviceTaggingTest, cls).setup_credentials()
+
+    @classmethod
+    def resource_setup(cls):
+        cls.set_validation_resources()
+        super(DeviceTaggingTest, cls).resource_setup()
+
+    def verify_device_metadata(self, md_json):
+        md_dict = json.loads(md_json)
+        for d in md_dict['devices']:
+            if d['type'] == 'nic':
+                if d['mac'] == self.port1['mac_address']:
+                    self.assertEqual(d['tags'], ['port-1'])
+                if d['mac'] == self.port2['mac_address']:
+                    self.assertEqual(d['tags'], ['port-2'])
+                if d['mac'] == self.net_2_100_mac:
+                    self.assertEqual(d['tags'], ['net-2-100'])
+                if d['mac'] == self.net_2_200_mac:
+                    self.assertEqual(d['tags'], ['net-2-200'])
+
+        found_devices = [d['tags'][0] for d in md_dict['devices']]
+        self.assertItemsEqual(found_devices, ['port-1', 'port-2', 'net-1',
+                                              'net-2-100', 'net-2-200',
+                                              'boot', 'other'])
+
+    @test.idempotent_id('a2e65a6c-66f1-4442-aaa8-498c31778d96')
+    @test.services('network', 'volume', 'image')
+    def test_device_tagging(self):
+        # Create volumes
+        # The create_volume methods waits for the volumes to be available and
+        # the base class will clean them up on tearDown.
+        boot_volume = self.create_volume(CONF.compute.image_ref)
+        other_volume = self.create_volume()
+        untagged_volume = self.create_volume()
+
+        # Create networks
+        net1 = self.networks_client.create_network(
+            name=data_utils.rand_name('device-tagging-net1'))['network']
+        self.addCleanup(self.networks_client.delete_network, net1['id'])
+
+        net2 = self.networks_client.create_network(
+            name=data_utils.rand_name('device-tagging-net2'))['network']
+        self.addCleanup(self.networks_client.delete_network, net2['id'])
+
+        # Create subnets
+        subnet1 = self.subnets_client.create_subnet(
+            network_id=net1['id'],
+            cidr='10.1.1.0/24',
+            ip_version=4)['subnet']
+        self.addCleanup(self.subnets_client.delete_subnet, subnet1['id'])
+
+        subnet2 = self.subnets_client.create_subnet(
+            network_id=net2['id'],
+            cidr='10.2.2.0/24',
+            ip_version=4)['subnet']
+        self.addCleanup(self.subnets_client.delete_subnet, subnet2['id'])
+
+        # Create ports
+        self.port1 = self.ports_client.create_port(
+            network_id=net1['id'],
+            fixed_ips=[{'subnet_id': subnet1['id']}])['port']
+        self.addCleanup(self.ports_client.delete_port, self.port1['id'])
+
+        self.port2 = self.ports_client.create_port(
+            network_id=net1['id'],
+            fixed_ips=[{'subnet_id': subnet1['id']}])['port']
+        self.addCleanup(self.ports_client.delete_port, self.port2['id'])
+
+        # Create server
+        admin_pass = data_utils.rand_password()
+        config_drive_enabled = CONF.compute_feature_enabled.config_drive
+
+        server = self.create_test_server(
+            validatable=True,
+            config_drive=config_drive_enabled,
+            adminPass=admin_pass,
+            name=data_utils.rand_name('device-tagging-server'),
+            networks=[
+                # Validation network for ssh
+                {
+                    'uuid': self.get_tenant_network()['id']
+                },
+                # Different tags for different ports
+                {
+                    'port': self.port1['id'],
+                    'tag': 'port-1'
+                },
+                {
+                    'port': self.port2['id'],
+                    'tag': 'port-2'
+                },
+                # Two nics on same net, one tagged one not
+                {
+                    'uuid': net1['id'],
+                    'tag': 'net-1'
+                },
+                {
+                    'uuid': net1['id']
+                },
+                # Two nics on same net, different IP
+                {
+                    'uuid': net2['id'],
+                    'fixed_ip': '10.2.2.100',
+                    'tag': 'net-2-100'
+                },
+                {
+                    'uuid': net2['id'],
+                    'fixed_ip': '10.2.2.200',
+                    'tag': 'net-2-200'
+                }
+            ],
+            block_device_mapping_v2=[
+                # Boot volume
+                {
+                    'uuid': boot_volume['id'],
+                    'source_type': 'volume',
+                    'destination_type': 'volume',
+                    'boot_index': 0,
+                    'tag': 'boot'
+                },
+                # Other volume
+                {
+                    'uuid': other_volume['id'],
+                    'source_type': 'volume',
+                    'destination_type': 'volume',
+                    'boot_index': 1,
+                    'tag': 'other'
+                },
+                # Untagged volume
+                {
+                    'uuid': untagged_volume['id'],
+                    'source_type': 'volume',
+                    'destination_type': 'volume',
+                    'boot_index': 2
+                }
+            ])
+
+        self.addCleanup(waiters.wait_for_server_termination,
+                        self.servers_client, server['id'])
+        self.addCleanup(self.servers_client.delete_server, server['id'])
+
+        self.ssh_client = remote_client.RemoteClient(
+            self.get_server_ip(server),
+            CONF.validation.image_ssh_user,
+            admin_pass,
+            self.validation_resources['keypair']['private_key'],
+            server=server,
+            servers_client=self.servers_client)
+
+        # Find the MAC addresses of our fixed IPs
+        self.net_2_100_mac = None
+        self.net_2_200_mac = None
+        ifaces = self.interfaces_client.list_interfaces(server['id'])
+        for iface in ifaces['interfaceAttachments']:
+            if 'fixed_ips' in iface:
+                for ip in iface['fixed_ips']:
+                    if ip['ip_address'] == '10.2.2.100':
+                        self.net_2_100_mac = iface['mac_addr']
+                    if ip['ip_address'] == '10.2.2.200':
+                        self.net_2_200_mac = iface['mac_addr']
+        # Make sure we have the MACs we need, there's no reason for some to be
+        # missing
+        self.assertTrue(self.net_2_100_mac)
+        self.assertTrue(self.net_2_200_mac)
+
+        # Verify metadata from metadata service
+        if CONF.compute_feature_enabled.metadata_service:
+            md_url = 'http://169.254.169.254/openstack/latest/meta_data.json'
+            LOG.info('Attempting to verify tagged devices in server %s via '
+                     'the metadata service: %s', server['id'], md_url)
+
+            def get_and_verify_metadata():
+                try:
+                    self.ssh_client.exec_command('curl -V')
+                except exceptions.SSHExecCommandFailed:
+                    if not CONF.compute_feature_enabled.config_drive:
+                        raise self.skipException('curl not found in guest '
+                                                 'and config drive is '
+                                                 'disabled')
+                    LOG.warning('curl was not found in the guest, device '
+                                'tagging metadata was not checked in the '
+                                'metadata API')
+                    return True
+                cmd = 'curl %s' % md_url
+                md_json = self.ssh_client.exec_command(cmd)
+                self.verify_device_metadata(md_json)
+                return True
+
+            if not test.call_until_true(get_and_verify_metadata,
+                                        CONF.compute.build_timeout,
+                                        CONF.compute.build_interval):
+                raise exceptions.TimeoutException('Timeout while verifying '
+                                                  'metadata on server.')
+
+        # Verify metadata on config drive
+        if CONF.compute_feature_enabled.config_drive:
+            cmd_blkid = 'blkid -t LABEL=config-2 -o device'
+            LOG.info('Attempting to verify tagged devices in server %s via '
+                     'the config drive.', server['id'])
+            dev_name = self.ssh_client.exec_command(cmd_blkid)
+            dev_name = dev_name.rstrip()
+            self.ssh_client.exec_command('sudo mount %s /mnt' % dev_name)
+            cmd_md = 'sudo cat /mnt/openstack/latest/meta_data.json'
+            md_json = self.ssh_client.exec_command(cmd_md)
+            self.verify_device_metadata(md_json)
diff --git a/tempest/api/compute/servers/test_disk_config.py b/tempest/api/compute/servers/test_disk_config.py
index aba0240..ff8ea6e 100644
--- a/tempest/api/compute/servers/test_disk_config.py
+++ b/tempest/api/compute/servers/test_disk_config.py
@@ -94,12 +94,8 @@
         self._update_server_with_disk_config(server['id'],
                                              disk_config='MANUAL')
         # Resize with auto option
-        self.client.resize_server(server['id'], self.flavor_ref_alt,
-                                  disk_config='AUTO')
-        waiters.wait_for_server_status(self.client, server['id'],
-                                       'VERIFY_RESIZE')
-        self.client.confirm_resize_server(server['id'])
-        waiters.wait_for_server_status(self.client, server['id'], 'ACTIVE')
+        self.resize_server(server['id'], self.flavor_ref_alt,
+                           disk_config='AUTO')
 
         server = self.client.show_server(server['id'])['server']
         self.assertEqual('AUTO', server['OS-DCF:diskConfig'])
@@ -114,12 +110,8 @@
         self._update_server_with_disk_config(server['id'],
                                              disk_config='AUTO')
         # Resize with manual option
-        self.client.resize_server(server['id'], self.flavor_ref_alt,
-                                  disk_config='MANUAL')
-        waiters.wait_for_server_status(self.client, server['id'],
-                                       'VERIFY_RESIZE')
-        self.client.confirm_resize_server(server['id'])
-        waiters.wait_for_server_status(self.client, server['id'], 'ACTIVE')
+        self.resize_server(server['id'], self.flavor_ref_alt,
+                           disk_config='MANUAL')
 
         server = self.client.show_server(server['id'])['server']
         self.assertEqual('MANUAL', server['OS-DCF:diskConfig'])
diff --git a/tempest/api/compute/servers/test_server_personality.py b/tempest/api/compute/servers/test_server_personality.py
index e5ad7b4..ab291b4 100644
--- a/tempest/api/compute/servers/test_server_personality.py
+++ b/tempest/api/compute/servers/test_server_personality.py
@@ -118,10 +118,12 @@
             raise self.skipException("No limit for personality files")
         person = []
         for i in range(0, int(max_file_limit)):
-            path = '/etc/test' + str(i) + '.txt'
+            # NOTE(andreaf) The cirros disk image is blank before boot
+            # so we can only inject safely to /
+            path = '/test' + str(i) + '.txt'
             person.append({
                 'path': path,
-                'contents': base64.encode_as_text(file_contents),
+                'contents': base64.encode_as_text(file_contents + str(i)),
             })
         password = data_utils.rand_password()
         created_server = self.create_test_server(personality=person,
diff --git a/tempest/api/compute/test_live_block_migration_negative.py b/tempest/api/compute/test_live_block_migration_negative.py
index bd2b185..f072b81 100644
--- a/tempest/api/compute/test_live_block_migration_negative.py
+++ b/tempest/api/compute/test_live_block_migration_negative.py
@@ -33,7 +33,6 @@
     @classmethod
     def setup_clients(cls):
         super(LiveBlockMigrationNegativeTestJSON, cls).setup_clients()
-        cls.admin_hosts_client = cls.os_adm.hosts_client
         cls.admin_servers_client = cls.os_adm.servers_client
 
     def _migrate_server_to(self, server_id, dest_host):
diff --git a/tempest/api/compute/test_quotas.py b/tempest/api/compute/test_quotas.py
index 122e7cc..b9e0c35 100644
--- a/tempest/api/compute/test_quotas.py
+++ b/tempest/api/compute/test_quotas.py
@@ -48,7 +48,8 @@
                                      'fixed_ips', 'key_pairs',
                                      'injected_file_path_bytes',
                                      'instances', 'security_group_rules',
-                                     'cores', 'security_groups'))
+                                     'cores', 'security_groups',
+                                     'server_group_members', 'server_groups'))
 
     @test.idempotent_id('f1ef0a97-dbbb-4cca-adc5-c9fbc4f76107')
     def test_get_quotas(self):
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index ee6ac25..56ec8c6 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -156,6 +156,36 @@
         self.assertEqual(volume['id'], body['volumeId'])
         self.assertEqual(attachment['id'], body['id'])
 
+    @test.idempotent_id('757d488b-a951-4bc7-b3cd-f417028da08a')
+    def test_list_get_two_volume_attachments(self):
+        # NOTE: This test is using the volume device auto-assignment
+        # without specifying the device ("/dev/sdb", etc). The feature
+        # is supported since Nova Liberty release or later. So this should
+        # be skipped on older clouds.
+        server = self._create_server()
+        volume_1st = self.create_volume()
+        volume_2nd = self.create_volume()
+        attachment_1st = self._attach_volume(server['id'], volume_1st['id'])
+        attachment_2nd = self._attach_volume(server['id'], volume_2nd['id'])
+
+        body = self.servers_client.list_volume_attachments(
+            server['id'])['volumeAttachments']
+        self.assertEqual(2, len(body))
+
+        body = self.servers_client.show_volume_attachment(
+            server['id'],
+            attachment_1st['id'])['volumeAttachment']
+        self.assertEqual(server['id'], body['serverId'])
+        self.assertEqual(attachment_1st['volumeId'], body['volumeId'])
+        self.assertEqual(attachment_1st['id'], body['id'])
+
+        body = self.servers_client.show_volume_attachment(
+            server['id'],
+            attachment_2nd['id'])['volumeAttachment']
+        self.assertEqual(server['id'], body['serverId'])
+        self.assertEqual(attachment_2nd['volumeId'], body['volumeId'])
+        self.assertEqual(attachment_2nd['id'], body['id'])
+
 
 class AttachVolumeShelveTestJSON(AttachVolumeTestJSON):
     """Testing volume with shelved instance.
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index 50cf258..655e4ef 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -23,7 +23,6 @@
     @classmethod
     def setup_clients(cls):
         super(EndPointsTestJSON, cls).setup_clients()
-        cls.identity_client = cls.client
         cls.client = cls.endpoints_client
 
     @classmethod
diff --git a/tempest/api/identity/admin/v3/test_endpoints_negative.py b/tempest/api/identity/admin/v3/test_endpoints_negative.py
index b16605e..f0f8707 100644
--- a/tempest/api/identity/admin/v3/test_endpoints_negative.py
+++ b/tempest/api/identity/admin/v3/test_endpoints_negative.py
@@ -25,7 +25,6 @@
     @classmethod
     def setup_clients(cls):
         super(EndpointsNegativeTestJSON, cls).setup_clients()
-        cls.identity_client = cls.client
         cls.client = cls.endpoints_client
 
     @classmethod
diff --git a/tempest/api/image/v2/test_images_member.py b/tempest/api/image/v2/test_images_member.py
index fe8dd65..8a4b334 100644
--- a/tempest/api/image/v2/test_images_member.py
+++ b/tempest/api/image/v2/test_images_member.py
@@ -21,6 +21,8 @@
         image_id = self._create_image()
         member = self.image_member_client.create_image_member(
             image_id, member=self.alt_tenant_id)
+        self.addCleanup(self.image_member_client.delete_image_member,
+                        image_id, self.alt_tenant_id)
         self.assertEqual(member['member_id'], self.alt_tenant_id)
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'pending')
@@ -42,6 +44,8 @@
         image_id = self._create_image()
         member = self.image_member_client.create_image_member(
             image_id, member=self.alt_tenant_id)
+        self.addCleanup(self.image_member_client.delete_image_member,
+                        image_id, self.alt_tenant_id)
         self.assertEqual(member['member_id'], self.alt_tenant_id)
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'pending')
@@ -56,6 +60,8 @@
         image_id = self._create_image()
         self.image_member_client.create_image_member(
             image_id, member=self.alt_tenant_id)
+        self.addCleanup(self.image_member_client.delete_image_member,
+                        image_id, self.alt_tenant_id)
         self.alt_image_member_client.update_image_member(image_id,
                                                          self.alt_tenant_id,
                                                          status='accepted')
diff --git a/tempest/api/image/v2/test_images_metadefs_schema.py b/tempest/api/image/v2/test_images_metadefs_schema.py
new file mode 100644
index 0000000..7edf1af
--- /dev/null
+++ b/tempest/api/image/v2/test_images_metadefs_schema.py
@@ -0,0 +1,81 @@
+# Copyright 2016 EasyStack.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest.api.image import base
+from tempest import test
+
+
+class MetadataSchemaTest(base.BaseV2ImageTest):
+    """Test to get metadata schema"""
+
+    @test.idempotent_id('e9e44891-3cb8-3b40-a532-e0a39fea3dab')
+    def test_get_metadata_namespace_schema(self):
+        # Test to get namespace schema
+        body = self.schemas_client.show_schema("metadefs/namespace")
+        self.assertEqual("namespace", body['name'])
+
+    @test.idempotent_id('ffe44891-678b-3ba0-a3e2-e0a3967b3aeb')
+    def test_get_metadata_namespaces_schema(self):
+        # Test to get namespaces schema
+        body = self.schemas_client.show_schema("metadefs/namespaces")
+        self.assertEqual("namespaces", body['name'])
+
+    @test.idempotent_id('fde34891-678b-3b40-ae32-e0a3e67b6beb')
+    def test_get_metadata_resource_type_schema(self):
+        # Test to get resource_type schema
+        body = self.schemas_client.show_schema("metadefs/resource_type")
+        self.assertEqual("resource_type_association", body['name'])
+
+    @test.idempotent_id('dfe4a891-b38b-3bf0-a3b2-e03ee67b3a3a')
+    def test_get_metadata_resources_types_schema(self):
+        # Test to get resource_types schema
+        body = self.schemas_client.show_schema("metadefs/resource_types")
+        self.assertEqual("resource_type_associations", body['name'])
+
+    @test.idempotent_id('dff4a891-b38b-3bf0-a3b2-e03ee67b3a3b')
+    def test_get_metadata_object_schema(self):
+        # Test to get object schema
+        body = self.schemas_client.show_schema("metadefs/object")
+        self.assertEqual("object", body['name'])
+
+    @test.idempotent_id('dee4a891-b38b-3bf0-a3b2-e03ee67b3a3c')
+    def test_get_metadata_objects_schema(self):
+        # Test to get objects schema
+        body = self.schemas_client.show_schema("metadefs/objects")
+        self.assertEqual("objects", body['name'])
+
+    @test.idempotent_id('dae4a891-b38b-3bf0-a3b2-e03ee67b3a3d')
+    def test_get_metadata_property_schema(self):
+        # Test to get property schema
+        body = self.schemas_client.show_schema("metadefs/property")
+        self.assertEqual("property", body['name'])
+
+    @test.idempotent_id('dce4a891-b38b-3bf0-a3b2-e03ee67b3a3e')
+    def test_get_metadata_properties_schema(self):
+        # Test to get properties schema
+        body = self.schemas_client.show_schema("metadefs/properties")
+        self.assertEqual("properties", body['name'])
+
+    @test.idempotent_id('dde4a891-b38b-3bf0-a3b2-e03ee67b3a3e')
+    def test_get_metadata_tag_schema(self):
+        # Test to get tag schema
+        body = self.schemas_client.show_schema("metadefs/tag")
+        self.assertEqual("tag", body['name'])
+
+    @test.idempotent_id('cde4a891-b38b-3bf0-a3b2-e03ee67b3a3a')
+    def test_get_metadata_tags_schema(self):
+        # Test to get tags schema
+        body = self.schemas_client.show_schema("metadefs/tags")
+        self.assertEqual("tags", body['name'])
diff --git a/tempest/api/object_storage/base.py b/tempest/api/object_storage/base.py
index 1b1ffd1..52b0a9c 100644
--- a/tempest/api/object_storage/base.py
+++ b/tempest/api/object_storage/base.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import time
+
 from tempest.common import custom_matchers
 from tempest import config
 from tempest.lib.common.utils import data_utils
@@ -102,6 +104,10 @@
         The containers should be visible from the container_client given.
         Will not throw any error if the containers don't exist.
         Will not check that object and container deletions succeed.
+        After delete all the objects from a container, it will wait 2
+        seconds before delete the container itself, in order to deployments
+        using HA proxy sync the deletion properly, otherwise, the container
+        might fail to be deleted because it's not empty.
 
         :param container_client: if None, use cls.container_client, this means
             that the default testing user will be used (see 'username' in
@@ -121,6 +127,9 @@
                 for obj in objlist:
                     test_utils.call_and_ignore_notfound_exc(
                         object_client.delete_object, cont, obj['name'])
+                # sleep 2 seconds to sync the deletion of the objects
+                # in HA deployment
+                time.sleep(2)
                 container_client.delete_container(cont)
             except lib_exc.NotFound:
                 pass
diff --git a/tempest/api/object_storage/test_container_services_negative.py b/tempest/api/object_storage/test_container_services_negative.py
index e6c53ec..df91325 100644
--- a/tempest/api/object_storage/test_container_services_negative.py
+++ b/tempest/api/object_storage/test_container_services_negative.py
@@ -13,11 +13,16 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest.api.object_storage import base
+from tempest import config
 from tempest.lib.common.utils import data_utils
 from tempest.lib import exceptions
 from tempest import test
 
+CONF = config.CONF
+
 
 class ContainerNegativeTest(base.BaseObjectTest):
 
@@ -25,12 +30,16 @@
     def resource_setup(cls):
         super(ContainerNegativeTest, cls).resource_setup()
 
-        # use /info to get default constraints
-        _, body = cls.account_client.list_extensions()
-        cls.constraints = body['swift']
+        if CONF.object_storage_feature_enabled.discoverability:
+            # use /info to get default constraints
+            _, body = cls.account_client.list_extensions()
+            cls.constraints = body['swift']
 
     @test.attr(type=["negative"])
     @test.idempotent_id('30686921-4bed-4764-a038-40d741ed4e78')
+    @testtools.skipUnless(
+        CONF.object_storage_feature_enabled.discoverability,
+        'Discoverability function is disabled')
     def test_create_container_name_exceeds_max_length(self):
         # Attempts to create a container name that is longer than max
         max_length = self.constraints['max_container_name_length']
@@ -44,6 +53,9 @@
 
     @test.attr(type=["negative"])
     @test.idempotent_id('41e645bf-2e68-4f84-bf7b-c71aa5cd76ce')
+    @testtools.skipUnless(
+        CONF.object_storage_feature_enabled.discoverability,
+        'Discoverability function is disabled')
     def test_create_container_metadata_name_exceeds_max_length(self):
         # Attempts to create container with metadata name
         # that is longer than max.
@@ -58,6 +70,9 @@
 
     @test.attr(type=["negative"])
     @test.idempotent_id('81e36922-326b-4b7c-8155-3bbceecd7a82')
+    @testtools.skipUnless(
+        CONF.object_storage_feature_enabled.discoverability,
+        'Discoverability function is disabled')
     def test_create_container_metadata_value_exceeds_max_length(self):
         # Attempts to create container with metadata value
         # that is longer than max.
@@ -72,6 +87,9 @@
 
     @test.attr(type=["negative"])
     @test.idempotent_id('ac666539-d566-4f02-8ceb-58e968dfb732')
+    @testtools.skipUnless(
+        CONF.object_storage_feature_enabled.discoverability,
+        'Discoverability function is disabled')
     def test_create_container_metadata_exceeds_overall_metadata_count(self):
         # Attempts to create container with metadata that exceeds the
         # default count
diff --git a/tempest/api/orchestration/stacks/test_neutron_resources.py b/tempest/api/orchestration/stacks/test_neutron_resources.py
index bffcb64..6d27502 100644
--- a/tempest/api/orchestration/stacks/test_neutron_resources.py
+++ b/tempest/api/orchestration/stacks/test_neutron_resources.py
@@ -77,7 +77,7 @@
             cls.client.wait_for_stack_status(cls.stack_id, 'CREATE_COMPLETE')
             resources = (cls.client.list_resources(cls.stack_identifier)
                          ['resources'])
-        except exceptions.TimeoutException as e:
+        except exceptions.TimeoutException:
             if CONF.compute_feature_enabled.console_output:
                 # attempt to log the server console to help with debugging
                 # the cause of the server not signalling the waitcondition
@@ -89,7 +89,7 @@
                 output = cls.servers_client.get_console_output(
                     server_id)['output']
                 LOG.debug(output)
-            raise e
+            raise
 
         cls.test_resources = {}
         for resource in resources:
diff --git a/tempest/api/volume/admin/test_snapshots_actions.py b/tempest/api/volume/admin/test_snapshots_actions.py
index 5af83b3..29a161b 100644
--- a/tempest/api/volume/admin/test_snapshots_actions.py
+++ b/tempest/api/volume/admin/test_snapshots_actions.py
@@ -28,11 +28,6 @@
             raise cls.skipException("Cinder snapshot feature disabled")
 
     @classmethod
-    def setup_clients(cls):
-        super(SnapshotsActionsV2Test, cls).setup_clients()
-        cls.client = cls.snapshots_client
-
-    @classmethod
     def resource_setup(cls):
         super(SnapshotsActionsV2Test, cls).resource_setup()
 
@@ -59,7 +54,7 @@
                 reset_snapshot_status(temp_snapshot['id'], status)
         self.admin_snapshots_client.\
             force_delete_snapshot(temp_snapshot['id'])
-        self.client.wait_for_resource_deletion(temp_snapshot['id'])
+        self.snapshots_client.wait_for_resource_deletion(temp_snapshot['id'])
 
     def _get_progress_alias(self):
         return 'os-extended-snapshot-attributes:progress'
@@ -85,8 +80,9 @@
         progress = '80%'
         status = 'error'
         progress_alias = self._get_progress_alias()
-        self.client.update_snapshot_status(self.snapshot['id'],
-                                           status=status, progress=progress)
+        self.snapshots_client.update_snapshot_status(self.snapshot['id'],
+                                                     status=status,
+                                                     progress=progress)
         snapshot_get = self.admin_snapshots_client.show_snapshot(
             self.snapshot['id'])['snapshot']
         self.assertEqual(status, snapshot_get['status'])
diff --git a/tempest/api/volume/admin/test_volumes_actions.py b/tempest/api/volume/admin/test_volumes_actions.py
index e7a3f62..261e652 100644
--- a/tempest/api/volume/admin/test_volumes_actions.py
+++ b/tempest/api/volume/admin/test_volumes_actions.py
@@ -23,11 +23,6 @@
 class VolumesActionsV2Test(base.BaseVolumeAdminTest):
 
     @classmethod
-    def setup_clients(cls):
-        super(VolumesActionsV2Test, cls).setup_clients()
-        cls.client = cls.volumes_client
-
-    @classmethod
     def resource_setup(cls):
         super(VolumesActionsV2Test, cls).resource_setup()
 
@@ -47,7 +42,7 @@
             self.admin_volume_client.reset_volume_status(
                 temp_volume['id'], status=status)
         self.admin_volume_client.force_delete_volume(temp_volume['id'])
-        self.client.wait_for_resource_deletion(temp_volume['id'])
+        self.volumes_client.wait_for_resource_deletion(temp_volume['id'])
 
     @test.idempotent_id('d063f96e-a2e0-4f34-8b8a-395c42de1845')
     def test_volume_reset_status(self):
diff --git a/tempest/api/volume/test_snapshot_metadata.py b/tempest/api/volume/test_snapshot_metadata.py
index 688baf5..d0fa07e 100644
--- a/tempest/api/volume/test_snapshot_metadata.py
+++ b/tempest/api/volume/test_snapshot_metadata.py
@@ -30,70 +30,53 @@
             raise cls.skipException("Cinder snapshot feature disabled")
 
     @classmethod
-    def setup_clients(cls):
-        super(SnapshotV2MetadataTestJSON, cls).setup_clients()
-        cls.client = cls.snapshots_client
-
-    @classmethod
     def resource_setup(cls):
         super(SnapshotV2MetadataTestJSON, cls).resource_setup()
         # Create a volume
         cls.volume = cls.create_volume()
         # Create a snapshot
         cls.snapshot = cls.create_snapshot(volume_id=cls.volume['id'])
-        cls.snapshot_id = cls.snapshot['id']
 
     def tearDown(self):
         # Update the metadata to {}
-        self.client.update_snapshot_metadata(self.snapshot_id, metadata={})
+        self.snapshots_client.update_snapshot_metadata(
+            self.snapshot['id'], metadata={})
         super(SnapshotV2MetadataTestJSON, self).tearDown()
 
     @test.idempotent_id('a2f20f99-e363-4584-be97-bc33afb1a56c')
-    def test_create_get_delete_snapshot_metadata(self):
+    def test_crud_snapshot_metadata(self):
         # Create metadata for the snapshot
         metadata = {"key1": "value1",
                     "key2": "value2",
                     "key3": "value3"}
-        expected = {"key2": "value2",
-                    "key3": "value3"}
-        body = self.client.create_snapshot_metadata(
-            self.snapshot_id, metadata)['metadata']
-        # Get the metadata of the snapshot
-        body = self.client.show_snapshot_metadata(
-            self.snapshot_id)['metadata']
-        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
-
-        # Delete one item metadata of the snapshot
-        self.client.delete_snapshot_metadata_item(
-            self.snapshot_id, "key1")
-        body = self.client.show_snapshot_metadata(
-            self.snapshot_id)['metadata']
-        self.assertThat(body.items(), matchers.ContainsAll(expected.items()))
-        self.assertNotIn("key1", body)
-
-    @test.idempotent_id('bd2363bc-de92-48a4-bc98-28943c6e4be1')
-    def test_update_snapshot_metadata(self):
-        # Update metadata for the snapshot
-        metadata = {"key1": "value1",
-                    "key2": "value2",
-                    "key3": "value3"}
         update = {"key3": "value3_update",
                   "key4": "value4"}
-        # Create metadata for the snapshot
-        body = self.client.create_snapshot_metadata(
-            self.snapshot_id, metadata)['metadata']
-        # Get the metadata of the snapshot
-        body = self.client.show_snapshot_metadata(
-            self.snapshot_id)['metadata']
-        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
+        expect = {"key4": "value4"}
+        # Create metadata
+        body = self.snapshots_client.create_snapshot_metadata(
+            self.snapshot['id'], metadata)['metadata']
 
-        # Update metadata item
-        body = self.client.update_snapshot_metadata(
-            self.snapshot_id, metadata=update)['metadata']
         # Get the metadata of the snapshot
-        body = self.client.show_snapshot_metadata(
-            self.snapshot_id)['metadata']
-        self.assertEqual(update, body)
+        body = self.snapshots_client.show_snapshot_metadata(
+            self.snapshot['id'])['metadata']
+        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()),
+                        'Create snapshot metadata failed')
+
+        # Update metadata
+        body = self.snapshots_client.update_snapshot_metadata(
+            self.snapshot['id'], metadata=update)['metadata']
+        body = self.snapshots_client.show_snapshot_metadata(
+            self.snapshot['id'])['metadata']
+        self.assertEqual(update, body, 'Update snapshot metadata failed')
+
+        # Delete one item metadata of the snapshot
+        self.snapshots_client.delete_snapshot_metadata_item(
+            self.snapshot['id'], "key3")
+        body = self.snapshots_client.show_snapshot_metadata(
+            self.snapshot['id'])['metadata']
+        self.assertThat(body.items(), matchers.ContainsAll(expect.items()),
+                        'Delete one item metadata of the snapshot failed')
+        self.assertNotIn("key3", body)
 
     @test.idempotent_id('e8ff85c5-8f97-477f-806a-3ac364a949ed')
     def test_update_snapshot_metadata_item(self):
@@ -106,18 +89,18 @@
                   "key2": "value2",
                   "key3": "value3_update"}
         # Create metadata for the snapshot
-        body = self.client.create_snapshot_metadata(
-            self.snapshot_id, metadata)['metadata']
+        body = self.snapshots_client.create_snapshot_metadata(
+            self.snapshot['id'], metadata)['metadata']
         # Get the metadata of the snapshot
-        body = self.client.show_snapshot_metadata(
-            self.snapshot_id)['metadata']
+        body = self.snapshots_client.show_snapshot_metadata(
+            self.snapshot['id'])['metadata']
         self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
         # Update metadata item
-        body = self.client.update_snapshot_metadata_item(
-            self.snapshot_id, "key3", meta=update_item)['meta']
+        body = self.snapshots_client.update_snapshot_metadata_item(
+            self.snapshot['id'], "key3", meta=update_item)['meta']
         # Get the metadata of the snapshot
-        body = self.client.show_snapshot_metadata(
-            self.snapshot_id)['metadata']
+        body = self.snapshots_client.show_snapshot_metadata(
+            self.snapshot['id'])['metadata']
         self.assertThat(body.items(), matchers.ContainsAll(expect.items()))
 
 
diff --git a/tempest/api/volume/test_volume_metadata.py b/tempest/api/volume/test_volume_metadata.py
index ee1744d..c125bb8 100644
--- a/tempest/api/volume/test_volume_metadata.py
+++ b/tempest/api/volume/test_volume_metadata.py
@@ -33,52 +33,39 @@
         super(VolumesV2MetadataTest, self).tearDown()
 
     @test.idempotent_id('6f5b125b-f664-44bf-910f-751591fe5769')
-    def test_create_get_delete_volume_metadata(self):
+    def test_crud_volume_metadata(self):
         # Create metadata for the volume
         metadata = {"key1": "value1",
                     "key2": "value2",
                     "key3": "value3",
                     "key4": "<value&special_chars>"}
+        update = {"key4": "value4",
+                  "key1": "value1_update"}
+        expected = {"key4": "value4"}
 
         body = self.volumes_client.create_volume_metadata(self.volume['id'],
                                                           metadata)['metadata']
         # Get the metadata of the volume
         body = self.volumes_client.show_volume_metadata(
             self.volume['id'])['metadata']
-        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
+        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()),
+                        'Create metadata for the volume failed')
+
+        # Update metadata
+        body = self.volumes_client.update_volume_metadata(
+            self.volume['id'], update)['metadata']
+        body = self.volumes_client.show_volume_metadata(
+            self.volume['id'])['metadata']
+        self.assertEqual(update, body, 'Update metadata failed')
+
         # Delete one item metadata of the volume
         self.volumes_client.delete_volume_metadata_item(
             self.volume['id'], "key1")
         body = self.volumes_client.show_volume_metadata(
             self.volume['id'])['metadata']
         self.assertNotIn("key1", body)
-        del metadata["key1"]
-        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
-
-    @test.idempotent_id('774d2918-9beb-4f30-b3d1-2a4e8179ec0a')
-    def test_update_volume_metadata(self):
-        # Update metadata for the volume
-        metadata = {"key1": "value1",
-                    "key2": "value2",
-                    "key3": "value3"}
-
-        update = {"key4": "value4",
-                  "key1": "value1_update"}
-
-        # Create metadata for the volume
-        body = self.volumes_client.create_volume_metadata(
-            self.volume['id'], metadata)['metadata']
-        # Get the metadata of the volume
-        body = self.volumes_client.show_volume_metadata(
-            self.volume['id'])['metadata']
-        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
-        # Update metadata
-        body = self.volumes_client.update_volume_metadata(
-            self.volume['id'], update)['metadata']
-        # Get the metadata of the volume
-        body = self.volumes_client.show_volume_metadata(
-            self.volume['id'])['metadata']
-        self.assertEqual(update, body)
+        self.assertThat(body.items(), matchers.ContainsAll(expected.items()),
+                        'Delete one item metadata of the volume failed')
 
     @test.idempotent_id('862261c5-8df4-475a-8c21-946e50e36a20')
     def test_update_volume_metadata_item(self):
@@ -93,7 +80,8 @@
         # Create metadata for the volume
         body = self.volumes_client.create_volume_metadata(
             self.volume['id'], metadata)['metadata']
-        self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
+        self.assertThat(body.items(),
+                        matchers.ContainsAll(metadata.items()))
         # Update metadata item
         body = self.volumes_client.update_volume_metadata_item(
             self.volume['id'], "key3", update_item)['meta']
diff --git a/tempest/api/volume/test_volumes_actions.py b/tempest/api/volume/test_volumes_actions.py
index 38f1082..d8d6b9a 100644
--- a/tempest/api/volume/test_volumes_actions.py
+++ b/tempest/api/volume/test_volumes_actions.py
@@ -74,8 +74,11 @@
             fetched_volume = self.client.show_volume(
                 self.volume['id'])['volume']
             # Get Volume information
-            bool_flag = self._is_true(fetched_volume['bootable'])
-            self.assertEqual(bool_bootable, bool_flag)
+            # NOTE(masayukig): 'bootable' is "true" or "false" in the current
+            # cinder implementation. So we need to cast boolean values to str
+            # and make it lower to compare here.
+            self.assertEqual(str(bool_bootable).lower(),
+                             fetched_volume['bootable'])
 
     @test.idempotent_id('9516a2c8-9135-488c-8dd6-5677a7e5f371')
     @test.services('compute')
@@ -136,9 +139,6 @@
         body = self.client.show_volume(self.volume['id'])['volume']
         self.assertIn('available', body['status'])
 
-    def _is_true(self, val):
-        return val in ['true', 'True', True]
-
     @test.idempotent_id('fff74e1e-5bd3-4b33-9ea9-24c103bc3f59')
     def test_volume_readonly_update(self):
         for readonly in [True, False]:
@@ -148,8 +148,11 @@
             # Get Volume information
             fetched_volume = self.client.show_volume(
                 self.volume['id'])['volume']
-            bool_flag = self._is_true(fetched_volume['metadata']['readonly'])
-            self.assertEqual(readonly, bool_flag)
+            # NOTE(masayukig): 'readonly' is "True" or "False" in the current
+            # cinder implementation. So we need to cast boolean values to str
+            # to compare here.
+            self.assertEqual(str(readonly),
+                             fetched_volume['metadata']['readonly'])
 
 
 class VolumesV1ActionsTest(VolumesV2ActionsTest):
diff --git a/tempest/api/volume/test_volumes_extend.py b/tempest/api/volume/test_volumes_extend.py
index 7aea1c4..c3d6dbb 100644
--- a/tempest/api/volume/test_volumes_extend.py
+++ b/tempest/api/volume/test_volumes_extend.py
@@ -20,20 +20,16 @@
 
 class VolumesV2ExtendTest(base.BaseVolumeTest):
 
-    @classmethod
-    def setup_clients(cls):
-        super(VolumesV2ExtendTest, cls).setup_clients()
-        cls.client = cls.volumes_client
-
     @test.idempotent_id('9a36df71-a257-43a5-9555-dc7c88e66e0e')
     def test_volume_extend(self):
         # Extend Volume Test.
         self.volume = self.create_volume()
         extend_size = int(self.volume['size']) + 1
-        self.client.extend_volume(self.volume['id'], new_size=extend_size)
-        waiters.wait_for_volume_status(self.client,
+        self.volumes_client.extend_volume(self.volume['id'],
+                                          new_size=extend_size)
+        waiters.wait_for_volume_status(self.volumes_client,
                                        self.volume['id'], 'available')
-        volume = self.client.show_volume(self.volume['id'])['volume']
+        volume = self.volumes_client.show_volume(self.volume['id'])['volume']
         self.assertEqual(int(volume['size']), extend_size)
 
 
diff --git a/tempest/api/volume/test_volumes_get.py b/tempest/api/volume/test_volumes_get.py
index 51de2be..65e461c 100644
--- a/tempest/api/volume/test_volumes_get.py
+++ b/tempest/api/volume/test_volumes_get.py
@@ -27,39 +27,31 @@
 
 class VolumesV2GetTest(base.BaseVolumeTest):
 
-    @classmethod
-    def setup_clients(cls):
-        super(VolumesV2GetTest, cls).setup_clients()
-        cls.client = cls.volumes_client
-
-    @classmethod
-    def resource_setup(cls):
-        super(VolumesV2GetTest, cls).resource_setup()
-
-        cls.name_field = cls.special_fields['name_field']
-        cls.descrip_field = cls.special_fields['descrip_field']
-
     def _volume_create_get_update_delete(self, **kwargs):
+        name_field = self.special_fields['name_field']
+        descrip_field = self.special_fields['descrip_field']
+
         # Create a volume, Get it's details and Delete the volume
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'Test'}
         # Create a volume
-        kwargs[self.name_field] = v_name
+        kwargs[name_field] = v_name
         kwargs['metadata'] = metadata
-        volume = self.client.create_volume(**kwargs)['volume']
+        volume = self.volumes_client.create_volume(**kwargs)['volume']
         self.assertIn('id', volume)
-        self.addCleanup(self.delete_volume, self.client, volume['id'])
-        waiters.wait_for_volume_status(self.client, volume['id'], 'available')
-        self.assertIn(self.name_field, volume)
-        self.assertEqual(volume[self.name_field], v_name,
+        self.addCleanup(self.delete_volume, self.volumes_client, volume['id'])
+        waiters.wait_for_volume_status(self.volumes_client, volume['id'],
+                                       'available')
+        self.assertIn(name_field, volume)
+        self.assertEqual(volume[name_field], v_name,
                          "The created volume name is not equal "
                          "to the requested name")
-        self.assertIsNotNone(volume['id'],
-                             "Field volume id is empty or not found.")
+
         # Get Volume information
-        fetched_volume = self.client.show_volume(volume['id'])['volume']
+        fetched_volume = self.volumes_client.show_volume(
+            volume['id'])['volume']
         self.assertEqual(v_name,
-                         fetched_volume[self.name_field],
+                         fetched_volume[name_field],
                          'The fetched Volume name is different '
                          'from the created Volume')
         self.assertEqual(volume['id'],
@@ -73,53 +65,56 @@
 
         if 'imageRef' in kwargs:
             self.assertEqual('true', fetched_volume['bootable'])
-        if 'imageRef' not in kwargs:
+        else:
             self.assertEqual('false', fetched_volume['bootable'])
 
         # Update Volume
         # Test volume update when display_name is same with original value
-        params = {self.name_field: v_name}
-        self.client.update_volume(volume['id'], **params)
+        params = {name_field: v_name}
+        self.volumes_client.update_volume(volume['id'], **params)
         # Test volume update when display_name is new
         new_v_name = data_utils.rand_name(
             self.__class__.__name__ + '-new-Volume')
         new_desc = 'This is the new description of volume'
-        params = {self.name_field: new_v_name,
-                  self.descrip_field: new_desc}
-        update_volume = self.client.update_volume(
+        params = {name_field: new_v_name,
+                  descrip_field: new_desc}
+        update_volume = self.volumes_client.update_volume(
             volume['id'], **params)['volume']
         # Assert response body for update_volume method
-        self.assertEqual(new_v_name, update_volume[self.name_field])
-        self.assertEqual(new_desc, update_volume[self.descrip_field])
+        self.assertEqual(new_v_name, update_volume[name_field])
+        self.assertEqual(new_desc, update_volume[descrip_field])
         # Assert response body for show_volume method
-        updated_volume = self.client.show_volume(volume['id'])['volume']
+        updated_volume = self.volumes_client.show_volume(
+            volume['id'])['volume']
         self.assertEqual(volume['id'], updated_volume['id'])
-        self.assertEqual(new_v_name, updated_volume[self.name_field])
-        self.assertEqual(new_desc, updated_volume[self.descrip_field])
+        self.assertEqual(new_v_name, updated_volume[name_field])
+        self.assertEqual(new_desc, updated_volume[descrip_field])
         self.assertThat(updated_volume['metadata'].items(),
                         matchers.ContainsAll(metadata.items()),
                         'The fetched Volume metadata misses data '
                         'from the created Volume')
+
         # Test volume create when display_name is none and display_description
         # contains specific characters,
         # then test volume update if display_name is duplicated
         new_v_desc = data_utils.rand_name('@#$%^* description')
-        params = {self.descrip_field: new_v_desc,
+        params = {descrip_field: new_v_desc,
                   'availability_zone': volume['availability_zone'],
                   'size': CONF.volume.volume_size}
-        new_volume = self.client.create_volume(**params)['volume']
+        new_volume = self.volumes_client.create_volume(**params)['volume']
         self.assertIn('id', new_volume)
-        self.addCleanup(self.delete_volume, self.client, new_volume['id'])
-        waiters.wait_for_volume_status(self.client,
+        self.addCleanup(self.delete_volume, self.volumes_client,
+                        new_volume['id'])
+        waiters.wait_for_volume_status(self.volumes_client,
                                        new_volume['id'], 'available')
 
-        params = {self.name_field: volume[self.name_field],
-                  self.descrip_field: volume[self.descrip_field]}
-        self.client.update_volume(new_volume['id'], **params)
+        params = {name_field: volume[name_field],
+                  descrip_field: volume[descrip_field]}
+        self.volumes_client.update_volume(new_volume['id'], **params)
 
         if 'imageRef' in kwargs:
             self.assertEqual('true', updated_volume['bootable'])
-        if 'imageRef' not in kwargs:
+        else:
             self.assertEqual('false', updated_volume['bootable'])
 
     @test.attr(type='smoke')
diff --git a/tempest/api/volume/test_volumes_list.py b/tempest/api/volume/test_volumes_list.py
index 40793ec..030ea6c 100644
--- a/tempest/api/volume/test_volumes_list.py
+++ b/tempest/api/volume/test_volumes_list.py
@@ -55,11 +55,6 @@
                              [str_vol(v) for v in fetched_list]))
 
     @classmethod
-    def setup_clients(cls):
-        super(VolumesV2ListTestJSON, cls).setup_clients()
-        cls.client = cls.volumes_client
-
-    @classmethod
     def resource_setup(cls):
         super(VolumesV2ListTestJSON, cls).resource_setup()
         cls.name = cls.VOLUME_FIELDS[1]
@@ -68,16 +63,17 @@
         cls.metadata = {'Type': 'work'}
         for i in range(3):
             volume = cls.create_volume(metadata=cls.metadata)
-            volume = cls.client.show_volume(volume['id'])['volume']
+            volume = cls.volumes_client.show_volume(volume['id'])['volume']
             cls.volume_list.append(volume)
 
     def _list_by_param_value_and_assert(self, params, with_detail=False):
         """list or list_details with given params and validates result"""
         if with_detail:
             fetched_vol_list = \
-                self.client.list_volumes(detail=True, params=params)['volumes']
+                self.volumes_client.list_volumes(detail=True,
+                                                 params=params)['volumes']
         else:
-            fetched_vol_list = self.client.list_volumes(
+            fetched_vol_list = self.volumes_client.list_volumes(
                 params=params)['volumes']
 
         # Validating params of fetched volumes
@@ -103,7 +99,7 @@
     def test_volume_list(self):
         # Get a list of Volumes
         # Fetch all volumes
-        fetched_list = self.client.list_volumes()['volumes']
+        fetched_list = self.volumes_client.list_volumes()['volumes']
         self.assertVolumesIn(fetched_list, self.volume_list,
                              fields=self.VOLUME_FIELDS)
 
@@ -111,14 +107,15 @@
     def test_volume_list_with_details(self):
         # Get a list of Volumes with details
         # Fetch all Volumes
-        fetched_list = self.client.list_volumes(detail=True)['volumes']
+        fetched_list = self.volumes_client.list_volumes(detail=True)['volumes']
         self.assertVolumesIn(fetched_list, self.volume_list)
 
     @test.idempotent_id('a28e8da4-0b56-472f-87a8-0f4d3f819c02')
     def test_volume_list_by_name(self):
         volume = self.volume_list[data_utils.rand_int_id(0, 2)]
         params = {self.name: volume[self.name]}
-        fetched_vol = self.client.list_volumes(params=params)['volumes']
+        fetched_vol = self.volumes_client.list_volumes(
+            params=params)['volumes']
         self.assertEqual(1, len(fetched_vol), str(fetched_vol))
         self.assertEqual(fetched_vol[0][self.name],
                          volume[self.name])
@@ -127,7 +124,7 @@
     def test_volume_list_details_by_name(self):
         volume = self.volume_list[data_utils.rand_int_id(0, 2)]
         params = {self.name: volume[self.name]}
-        fetched_vol = self.client.list_volumes(
+        fetched_vol = self.volumes_client.list_volumes(
             detail=True, params=params)['volumes']
         self.assertEqual(1, len(fetched_vol), str(fetched_vol))
         self.assertEqual(fetched_vol[0][self.name],
@@ -136,7 +133,8 @@
     @test.idempotent_id('39654e13-734c-4dab-95ce-7613bf8407ce')
     def test_volumes_list_by_status(self):
         params = {'status': 'available'}
-        fetched_list = self.client.list_volumes(params=params)['volumes']
+        fetched_list = self.volumes_client.list_volumes(
+            params=params)['volumes']
         self._list_by_param_value_and_assert(params)
         self.assertVolumesIn(fetched_list, self.volume_list,
                              fields=self.VOLUME_FIELDS)
@@ -144,7 +142,7 @@
     @test.idempotent_id('2943f712-71ec-482a-bf49-d5ca06216b9f')
     def test_volumes_list_details_by_status(self):
         params = {'status': 'available'}
-        fetched_list = self.client.list_volumes(
+        fetched_list = self.volumes_client.list_volumes(
             detail=True, params=params)['volumes']
         for volume in fetched_list:
             self.assertEqual('available', volume['status'])
@@ -158,7 +156,8 @@
         in volume_list are not a bootable volume.
         """
         params = {'bootable': 'false'}
-        fetched_list = self.client.list_volumes(params=params)['volumes']
+        fetched_list = self.volumes_client.list_volumes(
+            params=params)['volumes']
         self._list_by_param_value_and_assert(params)
         self.assertVolumesIn(fetched_list, self.volume_list,
                              fields=self.VOLUME_FIELDS)
@@ -166,7 +165,7 @@
     @test.idempotent_id('2016a939-72ec-482a-bf49-d5ca06216b9f')
     def test_volumes_list_details_by_bootable(self):
         params = {'bootable': 'false'}
-        fetched_list = self.client.list_volumes(
+        fetched_list = self.volumes_client.list_volumes(
             detail=True, params=params)['volumes']
         for volume in fetched_list:
             self.assertEqual('false', volume['bootable'])
@@ -177,7 +176,8 @@
         volume = self.volume_list[data_utils.rand_int_id(0, 2)]
         zone = volume['availability_zone']
         params = {'availability_zone': zone}
-        fetched_list = self.client.list_volumes(params=params)['volumes']
+        fetched_list = self.volumes_client.list_volumes(
+            params=params)['volumes']
         self._list_by_param_value_and_assert(params)
         self.assertVolumesIn(fetched_list, self.volume_list,
                              fields=self.VOLUME_FIELDS)
@@ -187,7 +187,7 @@
         volume = self.volume_list[data_utils.rand_int_id(0, 2)]
         zone = volume['availability_zone']
         params = {'availability_zone': zone}
-        fetched_list = self.client.list_volumes(
+        fetched_list = self.volumes_client.list_volumes(
             detail=True, params=params)['volumes']
         for volume in fetched_list:
             self.assertEqual(zone, volume['availability_zone'])
diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
index 6ed6b9c..c45ace6 100644
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -22,11 +22,6 @@
 class VolumesV2NegativeTest(base.BaseVolumeTest):
 
     @classmethod
-    def setup_clients(cls):
-        super(VolumesV2NegativeTest, cls).setup_clients()
-        cls.client = cls.volumes_client
-
-    @classmethod
     def resource_setup(cls):
         super(VolumesV2NegativeTest, cls).resource_setup()
 
@@ -40,14 +35,14 @@
     @test.idempotent_id('f131c586-9448-44a4-a8b0-54ca838aa43e')
     def test_volume_get_nonexistent_volume_id(self):
         # Should not be able to get a non-existent volume
-        self.assertRaises(lib_exc.NotFound, self.client.show_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.show_volume,
                           data_utils.rand_uuid())
 
     @test.attr(type=['negative'])
     @test.idempotent_id('555efa6e-efcd-44ef-8a3b-4a7ca4837a29')
     def test_volume_delete_nonexistent_volume_id(self):
         # Should not be able to delete a non-existent Volume
-        self.assertRaises(lib_exc.NotFound, self.client.delete_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.delete_volume,
                           data_utils.rand_uuid())
 
     @test.attr(type=['negative'])
@@ -57,7 +52,8 @@
         # in request
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
+        self.assertRaises(lib_exc.BadRequest,
+                          self.volumes_client.create_volume,
                           size='#$%', display_name=v_name, metadata=metadata)
 
     @test.attr(type=['negative'])
@@ -67,7 +63,8 @@
         # in request
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
+        self.assertRaises(lib_exc.BadRequest,
+                          self.volumes_client.create_volume,
                           size='', display_name=v_name, metadata=metadata)
 
     @test.attr(type=['negative'])
@@ -76,7 +73,8 @@
         # Should not be able to create volume with size zero
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
+        self.assertRaises(lib_exc.BadRequest,
+                          self.volumes_client.create_volume,
                           size='0', display_name=v_name, metadata=metadata)
 
     @test.attr(type=['negative'])
@@ -85,7 +83,8 @@
         # Should not be able to create volume with size negative
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.BadRequest, self.client.create_volume,
+        self.assertRaises(lib_exc.BadRequest,
+                          self.volumes_client.create_volume,
                           size='-1', display_name=v_name, metadata=metadata)
 
     @test.attr(type=['negative'])
@@ -94,7 +93,7 @@
         # Should not be able to create volume with non-existent volume type
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.NotFound, self.client.create_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.create_volume,
                           size='1', volume_type=data_utils.rand_uuid(),
                           display_name=v_name, metadata=metadata)
 
@@ -104,7 +103,7 @@
         # Should not be able to create volume with non-existent snapshot
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.NotFound, self.client.create_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.create_volume,
                           size='1', snapshot_id=data_utils.rand_uuid(),
                           display_name=v_name, metadata=metadata)
 
@@ -114,7 +113,7 @@
         # Should not be able to create volume with non-existent source volume
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.NotFound, self.client.create_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.create_volume,
                           size='1', source_volid=data_utils.rand_uuid(),
                           display_name=v_name, metadata=metadata)
 
@@ -123,7 +122,7 @@
     def test_update_volume_with_nonexistent_volume_id(self):
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.NotFound, self.client.update_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.update_volume,
                           volume_id=data_utils.rand_uuid(),
                           display_name=v_name,
                           metadata=metadata)
@@ -133,7 +132,7 @@
     def test_update_volume_with_invalid_volume_id(self):
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.NotFound, self.client.update_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.update_volume,
                           volume_id='#$%%&^&^', display_name=v_name,
                           metadata=metadata)
 
@@ -142,7 +141,7 @@
     def test_update_volume_with_empty_volume_id(self):
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         metadata = {'Type': 'work'}
-        self.assertRaises(lib_exc.NotFound, self.client.update_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.update_volume,
                           volume_id='', display_name=v_name,
                           metadata=metadata)
 
@@ -150,27 +149,29 @@
     @test.idempotent_id('30799cfd-7ee4-446c-b66c-45b383ed211b')
     def test_get_invalid_volume_id(self):
         # Should not be able to get volume with invalid id
-        self.assertRaises(lib_exc.NotFound, self.client.show_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.show_volume,
                           '#$%%&^&^')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('c6c3db06-29ad-4e91-beb0-2ab195fe49e3')
     def test_get_volume_without_passing_volume_id(self):
         # Should not be able to get volume when empty ID is passed
-        self.assertRaises(lib_exc.NotFound, self.client.show_volume, '')
+        self.assertRaises(lib_exc.NotFound,
+                          self.volumes_client.show_volume, '')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('1f035827-7c32-4019-9240-b4ec2dbd9dfd')
     def test_delete_invalid_volume_id(self):
         # Should not be able to delete volume when invalid ID is passed
-        self.assertRaises(lib_exc.NotFound, self.client.delete_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.delete_volume,
                           '!@#$%^&*()')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('441a1550-5d44-4b30-af0f-a6d402f52026')
     def test_delete_volume_without_passing_volume_id(self):
         # Should not be able to delete volume when empty ID is passed
-        self.assertRaises(lib_exc.NotFound, self.client.delete_volume, '')
+        self.assertRaises(lib_exc.NotFound,
+                          self.volumes_client.delete_volume, '')
 
     @test.attr(type=['negative'])
     @test.idempotent_id('f5e56b0a-5d02-43c1-a2a7-c9b792c2e3f6')
@@ -179,7 +180,7 @@
         server = self.create_server(wait_until='ACTIVE')
 
         self.assertRaises(lib_exc.NotFound,
-                          self.client.attach_volume,
+                          self.volumes_client.attach_volume,
                           data_utils.rand_uuid(),
                           instance_uuid=server['id'],
                           mountpoint=self.mountpoint)
@@ -188,7 +189,7 @@
     @test.idempotent_id('9f9c24e4-011d-46b5-b992-952140ce237a')
     def test_detach_volumes_with_invalid_volume_id(self):
         self.assertRaises(lib_exc.NotFound,
-                          self.client.detach_volume,
+                          self.volumes_client.detach_volume,
                           'xxx')
 
     @test.attr(type=['negative'])
@@ -196,7 +197,8 @@
     def test_volume_extend_with_size_smaller_than_original_size(self):
         # Extend volume with smaller size than original size.
         extend_size = 0
-        self.assertRaises(lib_exc.BadRequest, self.client.extend_volume,
+        self.assertRaises(lib_exc.BadRequest,
+                          self.volumes_client.extend_volume,
                           self.volume['id'], new_size=extend_size)
 
     @test.attr(type=['negative'])
@@ -204,7 +206,8 @@
     def test_volume_extend_with_non_number_size(self):
         # Extend volume when size is non number.
         extend_size = 'abc'
-        self.assertRaises(lib_exc.BadRequest, self.client.extend_volume,
+        self.assertRaises(lib_exc.BadRequest,
+                          self.volumes_client.extend_volume,
                           self.volume['id'], new_size=extend_size)
 
     @test.attr(type=['negative'])
@@ -212,7 +215,8 @@
     def test_volume_extend_with_None_size(self):
         # Extend volume with None size.
         extend_size = None
-        self.assertRaises(lib_exc.BadRequest, self.client.extend_volume,
+        self.assertRaises(lib_exc.BadRequest,
+                          self.volumes_client.extend_volume,
                           self.volume['id'], new_size=extend_size)
 
     @test.attr(type=['negative'])
@@ -220,7 +224,7 @@
     def test_volume_extend_with_nonexistent_volume_id(self):
         # Extend volume size when volume is nonexistent.
         extend_size = int(self.volume['size']) + 1
-        self.assertRaises(lib_exc.NotFound, self.client.extend_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.extend_volume,
                           data_utils.rand_uuid(), new_size=extend_size)
 
     @test.attr(type=['negative'])
@@ -228,41 +232,42 @@
     def test_volume_extend_without_passing_volume_id(self):
         # Extend volume size when passing volume id is None.
         extend_size = int(self.volume['size']) + 1
-        self.assertRaises(lib_exc.NotFound, self.client.extend_volume,
+        self.assertRaises(lib_exc.NotFound, self.volumes_client.extend_volume,
                           None, new_size=extend_size)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('ac6084c0-0546-45f9-b284-38a367e0e0e2')
     def test_reserve_volume_with_nonexistent_volume_id(self):
         self.assertRaises(lib_exc.NotFound,
-                          self.client.reserve_volume,
+                          self.volumes_client.reserve_volume,
                           data_utils.rand_uuid())
 
     @test.attr(type=['negative'])
     @test.idempotent_id('eb467654-3dc1-4a72-9b46-47c29d22654c')
     def test_unreserve_volume_with_nonexistent_volume_id(self):
         self.assertRaises(lib_exc.NotFound,
-                          self.client.unreserve_volume,
+                          self.volumes_client.unreserve_volume,
                           data_utils.rand_uuid())
 
     @test.attr(type=['negative'])
     @test.idempotent_id('449c4ed2-ecdd-47bb-98dc-072aeccf158c')
     def test_reserve_volume_with_negative_volume_status(self):
         # Mark volume as reserved.
-        self.client.reserve_volume(self.volume['id'])
+        self.volumes_client.reserve_volume(self.volume['id'])
         # Mark volume which is marked as reserved before
         self.assertRaises(lib_exc.BadRequest,
-                          self.client.reserve_volume,
+                          self.volumes_client.reserve_volume,
                           self.volume['id'])
         # Unmark volume as reserved.
-        self.client.unreserve_volume(self.volume['id'])
+        self.volumes_client.unreserve_volume(self.volume['id'])
 
     @test.attr(type=['negative'])
     @test.idempotent_id('0f4aa809-8c7b-418f-8fb3-84c7a5dfc52f')
     def test_list_volumes_with_nonexistent_name(self):
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         params = {self.name_field: v_name}
-        fetched_volume = self.client.list_volumes(params=params)['volumes']
+        fetched_volume = self.volumes_client.list_volumes(
+            params=params)['volumes']
         self.assertEqual(0, len(fetched_volume))
 
     @test.attr(type=['negative'])
@@ -271,14 +276,16 @@
         v_name = data_utils.rand_name(self.__class__.__name__ + '-Volume')
         params = {self.name_field: v_name}
         fetched_volume = \
-            self.client.list_volumes(detail=True, params=params)['volumes']
+            self.volumes_client.list_volumes(
+                detail=True, params=params)['volumes']
         self.assertEqual(0, len(fetched_volume))
 
     @test.attr(type=['negative'])
     @test.idempotent_id('143b279b-7522-466b-81be-34a87d564a7c')
     def test_list_volumes_with_invalid_status(self):
         params = {'status': 'null'}
-        fetched_volume = self.client.list_volumes(params=params)['volumes']
+        fetched_volume = self.volumes_client.list_volumes(
+            params=params)['volumes']
         self.assertEqual(0, len(fetched_volume))
 
     @test.attr(type=['negative'])
@@ -286,7 +293,8 @@
     def test_list_volumes_detail_with_invalid_status(self):
         params = {'status': 'null'}
         fetched_volume = \
-            self.client.list_volumes(detail=True, params=params)['volumes']
+            self.volumes_client.list_volumes(detail=True,
+                                             params=params)['volumes']
         self.assertEqual(0, len(fetched_volume))
 
 
diff --git a/tempest/api/volume/v2/test_volumes_list.py b/tempest/api/volume/v2/test_volumes_list.py
index 03996af..fb8c65d 100644
--- a/tempest/api/volume/v2/test_volumes_list.py
+++ b/tempest/api/volume/v2/test_volumes_list.py
@@ -33,11 +33,6 @@
     """
 
     @classmethod
-    def setup_clients(cls):
-        super(VolumesV2ListTestJSON, cls).setup_clients()
-        cls.client = cls.volumes_client
-
-    @classmethod
     def resource_setup(cls):
         super(VolumesV2ListTestJSON, cls).resource_setup()
 
@@ -45,7 +40,7 @@
         cls.metadata = {'Type': 'work'}
         # NOTE(zhufl): When using pre-provisioned credentials, the project
         # may have volumes other than those created below.
-        existing_volumes = cls.client.list_volumes()['volumes']
+        existing_volumes = cls.volumes_client.list_volumes()['volumes']
         cls.volume_id_list = [vol['id'] for vol in existing_volumes]
         for i in range(3):
             volume = cls.create_volume(metadata=cls.metadata)
@@ -63,7 +58,7 @@
                       'sort_dir': sort_dir,
                       'sort_key': sort_key
                       }
-            fetched_volume = self.client.list_volumes(
+            fetched_volume = self.volumes_client.list_volumes(
                 detail=True, params=params)['volumes']
             self.assertEqual(limit, len(fetched_volume),
                              "The count of volumes is %s, expected:%s " %
@@ -192,8 +187,8 @@
         params = {'marker': random_volume}
 
         # Running volume list using marker parameter
-        vol_with_marker = self.client.list_volumes(detail=True,
-                                                   params=params)['volumes']
+        vol_with_marker = self.volumes_client.list_volumes(
+            detail=True, params=params)['volumes']
 
         # Fetching the index of the random volume from volume_id_list
         index_marker = self.volume_id_list.index(random_volume)
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index 318eb10..64543fb 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -169,27 +169,28 @@
     return body, servers
 
 
-def shelve_server(client, server_id, force_shelve_offload=False):
+def shelve_server(servers_client, server_id, force_shelve_offload=False):
     """Common wrapper utility to shelve server.
 
     This method is a common wrapper to make server in 'SHELVED'
     or 'SHELVED_OFFLOADED' state.
 
+    :param servers_clients: Compute servers client instance.
     :param server_id: Server to make in shelve state
     :param force_shelve_offload: Forcefully offload shelve server if it
                                  is configured not to offload server
                                  automatically after offload time.
     """
-    client.shelve_server(server_id)
+    servers_client.shelve_server(server_id)
 
     offload_time = CONF.compute.shelved_offload_time
     if offload_time >= 0:
-        waiters.wait_for_server_status(client, server_id,
+        waiters.wait_for_server_status(servers_client, server_id,
                                        'SHELVED_OFFLOADED',
                                        extra_timeout=offload_time)
     else:
-        waiters.wait_for_server_status(client, server_id, 'SHELVED')
+        waiters.wait_for_server_status(servers_client, server_id, 'SHELVED')
         if force_shelve_offload:
-            client.shelve_offload_server(server_id)
-            waiters.wait_for_server_status(client, server_id,
+            servers_client.shelve_offload_server(server_id)
+            waiters.wait_for_server_status(servers_client, server_id,
                                            'SHELVED_OFFLOADED')
diff --git a/tempest/common/generator/__init__.py b/tempest/common/generator/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/common/generator/__init__.py
+++ /dev/null
diff --git a/tempest/common/generator/base_generator.py b/tempest/common/generator/base_generator.py
deleted file mode 100644
index 0647edb..0000000
--- a/tempest/common/generator/base_generator.py
+++ /dev/null
@@ -1,176 +0,0 @@
-# Copyright 2014 Deutsche Telekom AG
-# 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 copy
-import functools
-
-import jsonschema
-import six
-
-
-def _check_for_expected_result(name, schema):
-    expected_result = None
-    if "results" in schema:
-        if name in schema["results"]:
-            expected_result = schema["results"][name]
-    return expected_result
-
-
-def generator_type(*args, **kwargs):
-    def wrapper(func):
-        func.types = args
-        for key in kwargs:
-            setattr(func, key, kwargs[key])
-        return func
-    return wrapper
-
-
-def simple_generator(fn):
-    """Decorator for simple generators that return one value"""
-    @functools.wraps(fn)
-    def wrapped(self, schema):
-        result = fn(self, schema)
-        if result is not None:
-            expected_result = _check_for_expected_result(fn.__name__, schema)
-            return (fn.__name__, result, expected_result)
-        return
-    return wrapped
-
-
-class BasicGeneratorSet(object):
-    _instance = None
-
-    schema = {
-        "type": "object",
-        "properties": {
-            "name": {"type": "string"},
-            "http-method": {
-                "enum": ["GET", "PUT", "HEAD",
-                         "POST", "PATCH", "DELETE", 'COPY']
-            },
-            "admin_client": {"type": "boolean"},
-            "url": {"type": "string"},
-            "default_result_code": {"type": "integer"},
-            "json-schema": {},
-            "resources": {
-                "type": "array",
-                "items": {
-                    "oneOf": [
-                        {"type": "string"},
-                        {
-                            "type": "object",
-                            "properties": {
-                                "name": {"type": "string"},
-                                "expected_result": {"type": "integer"}
-                            }
-                        }
-                    ]
-                }
-            },
-            "results": {
-                "type": "object",
-                "properties": {}
-            }
-        },
-        "required": ["name", "http-method", "url"],
-        "additionalProperties": False,
-    }
-
-    def __init__(self):
-        self.types_dict = {}
-        for m in dir(self):
-            if callable(getattr(self, m)) and not'__' in m:
-                method = getattr(self, m)
-                if hasattr(method, "types"):
-                    for type in method.types:
-                        if type not in self.types_dict:
-                            self.types_dict[type] = []
-                        self.types_dict[type].append(method)
-
-    def validate_schema(self, schema):
-        if "json-schema" in schema:
-            jsonschema.Draft4Validator.check_schema(schema['json-schema'])
-        jsonschema.validate(schema, self.schema)
-
-    def generate_scenarios(self, schema, path=None):
-        """Generate scenario (all possible test cases) out of the given schema
-
-        :param schema: a dict style schema (see ``BasicGeneratorSet.schema``)
-        :param path: the schema path if the given schema is a subschema
-        """
-        schema_type = schema['type']
-        scenarios = []
-
-        if schema_type == 'object':
-            properties = schema["properties"]
-            for attribute, definition in six.iteritems(properties):
-                current_path = copy.copy(path)
-                if path is not None:
-                    current_path.append(attribute)
-                else:
-                    current_path = [attribute]
-                scenarios.extend(
-                    self.generate_scenarios(definition, current_path))
-        elif isinstance(schema_type, list):
-            if "integer" in schema_type:
-                schema_type = "integer"
-            else:
-                raise Exception("non-integer list types not supported")
-        for generator in self.types_dict[schema_type]:
-            if hasattr(generator, "needed_property"):
-                prop = generator.needed_property
-                if (prop not in schema or
-                    schema[prop] is None or
-                    schema[prop] is False):
-                    continue
-
-            name = generator.__name__
-            if ("exclude_tests" in schema and
-               name in schema["exclude_tests"]):
-                continue
-            if path is not None:
-                name = "%s_%s" % ("_".join(path), name)
-            scenarios.append({
-                "_negtest_name": name,
-                "_negtest_generator": generator,
-                "_negtest_schema": schema,
-                "_negtest_path": path})
-        return scenarios
-
-    def generate_payload(self, test, schema):
-        """Generates one jsonschema out of the given test.
-
-        It's mandatory to use generate_scenarios before to register all needed
-        variables to the test.
-
-        :param test: A test object (scenario) with all _negtest variables on it
-        :param schema: schema for the test
-        """
-        generator = test._negtest_generator
-        ret = generator(test._negtest_schema)
-        path = copy.copy(test._negtest_path)
-        expected_result = None
-
-        if ret is not None:
-            generator_result = generator(test._negtest_schema)
-            invalid_snippet = generator_result[1]
-            expected_result = generator_result[2]
-            element = path.pop()
-            if len(path) > 0:
-                schema_snip = six.moves.reduce(dict.get, path, schema)
-                schema_snip[element] = invalid_snippet
-            else:
-                schema[element] = invalid_snippet
-        return expected_result
diff --git a/tempest/common/generator/negative_generator.py b/tempest/common/generator/negative_generator.py
deleted file mode 100644
index 67ace54..0000000
--- a/tempest/common/generator/negative_generator.py
+++ /dev/null
@@ -1,75 +0,0 @@
-# Copyright 2014 Deutsche Telekom AG
-# 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 copy
-
-import tempest.common.generator.base_generator as base
-import tempest.common.generator.valid_generator as valid
-
-
-class NegativeTestGenerator(base.BasicGeneratorSet):
-    @base.generator_type("string")
-    @base.simple_generator
-    def gen_int(self, _):
-        return 4
-
-    @base.generator_type("integer")
-    @base.simple_generator
-    def gen_string(self, _):
-        return "XXXXXX"
-
-    @base.generator_type("integer", "string")
-    def gen_none(self, schema):
-        # Note(mkoderer): it's not using the decorator otherwise it'd be
-        # filtered
-        expected_result = base._check_for_expected_result('gen_none', schema)
-        return ('gen_none', None, expected_result)
-
-    @base.generator_type("string")
-    @base.simple_generator
-    def gen_str_min_length(self, schema):
-        min_length = schema.get("minLength", 0)
-        if min_length > 0:
-            return "x" * (min_length - 1)
-
-    @base.generator_type("string", needed_property="maxLength")
-    @base.simple_generator
-    def gen_str_max_length(self, schema):
-        max_length = schema.get("maxLength", -1)
-        return "x" * (max_length + 1)
-
-    @base.generator_type("integer", needed_property="minimum")
-    @base.simple_generator
-    def gen_int_min(self, schema):
-        minimum = schema["minimum"]
-        if "exclusiveMinimum" not in schema:
-            minimum -= 1
-        return minimum
-
-    @base.generator_type("integer", needed_property="maximum")
-    @base.simple_generator
-    def gen_int_max(self, schema):
-        maximum = schema["maximum"]
-        if "exclusiveMaximum" not in schema:
-            maximum += 1
-        return maximum
-
-    @base.generator_type("object", needed_property="additionalProperties")
-    @base.simple_generator
-    def gen_obj_add_attr(self, schema):
-        valid_schema = valid.ValidTestGenerator().generate_valid(schema)
-        new_valid = copy.deepcopy(valid_schema)
-        new_valid["$$$$$$$$$$"] = "xxx"
-        return new_valid
diff --git a/tempest/common/generator/valid_generator.py b/tempest/common/generator/valid_generator.py
deleted file mode 100644
index 3070489..0000000
--- a/tempest/common/generator/valid_generator.py
+++ /dev/null
@@ -1,79 +0,0 @@
-# Copyright 2014 Deutsche Telekom AG
-# 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 six
-
-import tempest.common.generator.base_generator as base
-
-
-class ValidTestGenerator(base.BasicGeneratorSet):
-    @base.generator_type("string")
-    @base.simple_generator
-    def generate_valid_string(self, schema):
-        size = schema.get("minLength", 1)
-        # TODO(dkr mko): handle format and pattern
-        return "x" * size
-
-    @base.generator_type("integer")
-    @base.simple_generator
-    def generate_valid_integer(self, schema):
-        # TODO(dkr mko): handle multipleOf
-        if "minimum" in schema:
-            minimum = schema["minimum"]
-            if "exclusiveMinimum" not in schema:
-                return minimum
-            else:
-                return minimum + 1
-        if "maximum" in schema:
-            maximum = schema["maximum"]
-            if "exclusiveMaximum" not in schema:
-                return maximum
-            else:
-                return maximum - 1
-        return 0
-
-    @base.generator_type("object")
-    @base.simple_generator
-    def generate_valid_object(self, schema):
-        obj = {}
-        for k, v in six.iteritems(schema["properties"]):
-            obj[k] = self.generate_valid(v)
-        return obj
-
-    def generate(self, schema):
-        schema_type = schema["type"]
-        if isinstance(schema_type, list):
-            if "integer" in schema_type:
-                schema_type = "integer"
-            else:
-                raise Exception("non-integer list types not supported")
-        result = []
-        if schema_type not in self.types_dict:
-            raise TypeError("generator (%s) doesn't support type: %s"
-                            % (self.__class__.__name__, schema_type))
-        for generator in self.types_dict[schema_type]:
-            ret = generator(schema)
-            if ret is not None:
-                if isinstance(ret, list):
-                    result.extend(ret)
-                elif isinstance(ret, tuple):
-                    result.append(ret)
-                else:
-                    raise Exception("generator (%s) returns invalid result: %s"
-                                    % (generator, ret))
-        return result
-
-    def generate_valid(self, schema):
-        return self.generate(schema)[0][1]
diff --git a/tempest/config.py b/tempest/config.py
index 7550287..47eb427 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -1075,14 +1075,6 @@
                     "step in Node cleaning.")
 ]
 
-negative_group = cfg.OptGroup(name='negative', title="Negative Test Options")
-
-NegativeGroup = [
-    cfg.StrOpt('test_generator',
-               default='tempest.common.' +
-               'generator.negative_generator.NegativeTestGenerator',
-               help="Test generator class for all negative tests"),
-]
 
 DefaultGroup = [
     cfg.StrOpt('resources_prefix',
@@ -1115,7 +1107,6 @@
     (debug_group, DebugGroup),
     (baremetal_group, BaremetalGroup),
     (input_scenario_group, InputScenarioGroup),
-    (negative_group, NegativeGroup),
     (None, DefaultGroup)
 ]
 
@@ -1179,7 +1170,6 @@
         self.debug = _CONF.debug
         self.baremetal = _CONF.baremetal
         self.input_scenario = _CONF['input-scenario']
-        self.negative = _CONF.negative
         logging.tempest_set_log_file('tempest.log')
 
     def __init__(self, parse_conf=True, config_path=None):
diff --git a/tempest/lib/cmd/check_uuid.py b/tempest/lib/cmd/check_uuid.py
index 1239ac5..88ce775 100755
--- a/tempest/lib/cmd/check_uuid.py
+++ b/tempest/lib/cmd/check_uuid.py
@@ -23,6 +23,7 @@
 import unittest
 import uuid
 
+from oslo_utils import uuidutils
 import six.moves.urllib.parse as urlparse
 
 DECORATOR_MODULE = 'test'
@@ -61,7 +62,7 @@
         if filename not in self.source_files:
             with open(filename) as f:
                 self.source_files[filename] = self._quote(f.read())
-        patch_id = str(uuid.uuid4())
+        patch_id = uuidutils.generate_uuid()
         if not patch.endswith('\n'):
             patch += '\n'
         self.patches[patch_id] = self._quote(patch)
diff --git a/tempest/lib/common/utils/data_utils.py b/tempest/lib/common/utils/data_utils.py
index 4095c77..75c2e51 100644
--- a/tempest/lib/common/utils/data_utils.py
+++ b/tempest/lib/common/utils/data_utils.py
@@ -21,6 +21,7 @@
 
 from debtcollector import removals
 from oslo_utils import netutils
+from oslo_utils import uuidutils
 import six.moves
 
 
@@ -30,7 +31,7 @@
     :return: a random UUID (e.g. '1dc12c7d-60eb-4b61-a7a2-17cf210155b6')
     :rtype: string
     """
-    return str(uuid.uuid4())
+    return uuidutils.generate_uuid()
 
 
 def rand_uuid_hex():
diff --git a/tempest/lib/exceptions.py b/tempest/lib/exceptions.py
index a6c01bb..108ba70 100644
--- a/tempest/lib/exceptions.py
+++ b/tempest/lib/exceptions.py
@@ -71,54 +71,70 @@
     message = "The success code is different than the expected one"
 
 
-class NotFound(ClientRestClientException):
-    message = "Object not found"
+class BadRequest(ClientRestClientException):
+    status_code = 400
+    message = "Bad request"
 
 
 class Unauthorized(ClientRestClientException):
+    status_code = 401
     message = 'Unauthorized'
 
 
 class Forbidden(ClientRestClientException):
+    status_code = 403
     message = "Forbidden"
 
 
-class TimeoutException(OtherRestClientException):
-    message = "Request timed out"
-
-
-class BadRequest(ClientRestClientException):
-    message = "Bad request"
-
-
-class UnprocessableEntity(ClientRestClientException):
-    message = "Unprocessable entity"
-
-
-class RateLimitExceeded(ClientRestClientException):
-    message = "Rate limit exceeded"
-
-
-class OverLimit(ClientRestClientException):
-    message = "Request entity is too large"
-
-
-class ServerFault(ServerRestClientException):
-    message = "Got server fault"
-
-
-class NotImplemented(ServerRestClientException):
-    message = "Got NotImplemented error"
+class NotFound(ClientRestClientException):
+    status_code = 404
+    message = "Object not found"
 
 
 class Conflict(ClientRestClientException):
+    status_code = 409
     message = "An object with that identifier already exists"
 
 
 class Gone(ClientRestClientException):
+    status_code = 410
     message = "The requested resource is no longer available"
 
 
+class RateLimitExceeded(ClientRestClientException):
+    status_code = 413
+    message = "Rate limit exceeded"
+
+
+class OverLimit(ClientRestClientException):
+    status_code = 413
+    message = "Request entity is too large"
+
+
+class InvalidContentType(ClientRestClientException):
+    status_code = 415
+    message = "Invalid content type provided"
+
+
+class UnprocessableEntity(ClientRestClientException):
+    status_code = 422
+    message = "Unprocessable entity"
+
+
+class ServerFault(ServerRestClientException):
+    status_code = 500
+    message = "Got server fault"
+
+
+class NotImplemented(ServerRestClientException):
+    status_code = 501
+    message = "Got NotImplemented error"
+
+
+class TimeoutException(OtherRestClientException):
+    message = "Request timed out"
+
+
 class ResponseWithNonEmptyBody(OtherRestClientException):
     message = ("RFC Violation! Response with %(status)d HTTP Status Code "
                "MUST NOT have a body")
@@ -137,10 +153,6 @@
     message = "HTTP response header is invalid"
 
 
-class InvalidContentType(ClientRestClientException):
-    message = "Invalid content type provided"
-
-
 class UnexpectedContentType(OtherRestClientException):
     message = "Unexpected content type provided"
 
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index 3ac6759..f2f17d2 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -16,8 +16,8 @@
 from tempest.common import custom_matchers
 from tempest.common import waiters
 from tempest import config
-from tempest import exceptions
 from tempest.lib.common.utils import test_utils
+from tempest.lib import exceptions
 from tempest.scenario import manager
 from tempest import test
 
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index af313a5..4a076e4 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -748,7 +748,6 @@
         self.check_public_network_connectivity(
             should_connect=False,
             msg='after router unscheduling',
-            should_check_floating_ip_status=False
         )
 
         # schedule resource to new agent
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index 3aab2b8..2d2f7df 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -18,8 +18,8 @@
 
 from tempest.common import waiters
 from tempest import config
-from tempest import exceptions
 from tempest.lib.common.utils import test_utils
+from tempest.lib import exceptions
 from tempest.scenario import manager
 from tempest import test
 
diff --git a/tempest/scenario/test_volume_boot_pattern.py b/tempest/scenario/test_volume_boot_pattern.py
index db5e009..46aebfe 100644
--- a/tempest/scenario/test_volume_boot_pattern.py
+++ b/tempest/scenario/test_volume_boot_pattern.py
@@ -148,10 +148,13 @@
 
         # create a 3rd instance from snapshot
         LOG.info("Creating third instance from snapshot: %s" % snapshot['id'])
-        volume = self.create_volume(snapshot_id=snapshot['id'])
+        volume = self.create_volume(snapshot_id=snapshot['id'],
+                                    size=snapshot['size'])
+        LOG.info("Booting third instance from snapshot")
         server_from_snapshot = (
             self._boot_instance_from_volume(volume['id'],
                                             keypair, security_group))
+        LOG.info("Booted third instance %s", server_from_snapshot)
 
         # check the content of written file
         LOG.info("Logging into third instance to get timestamp: %s" %
diff --git a/tempest/tests/lib/services/volume/v3/test_user_messages.py b/tempest/tests/lib/services/volume/v3/test_user_messages_client.py
similarity index 100%
rename from tempest/tests/lib/services/volume/v3/test_user_messages.py
rename to tempest/tests/lib/services/volume/v3/test_user_messages_client.py
diff --git a/tempest/tests/negative/test_negative_generators.py b/tempest/tests/negative/test_negative_generators.py
deleted file mode 100644
index 7e1ee2c..0000000
--- a/tempest/tests/negative/test_negative_generators.py
+++ /dev/null
@@ -1,150 +0,0 @@
-# Copyright 2014 Deutsche Telekom AG
-# 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 copy
-
-import jsonschema
-import mock
-import six
-
-from tempest.common.generator import base_generator
-from tempest.common.generator import negative_generator
-from tempest.common.generator import valid_generator
-from tempest.tests import base
-
-
-class TestNegativeBasicGenerator(base.TestCase):
-    valid_desc = {
-        "name": "list-flavors-with-detail",
-        "http-method": "GET",
-        "url": "flavors/detail",
-        "json-schema": {
-            "type": "object",
-            "properties": {
-                "minRam": {"type": "integer"},
-                "minDisk": {"type": "integer"}
-            }
-        },
-        "resources": ["flavor", "volume", "image"]
-    }
-
-    minimal_desc = {
-        "name": "list-flavors-with-detail",
-        "http-method": "GET",
-        "url": "flavors/detail",
-    }
-
-    add_prop_desc = {
-        "name": "list-flavors-with-detail",
-        "http-method": "GET",
-        "url": "flavors/detail",
-        "unknown_field": [12]
-    }
-
-    invalid_json_schema_desc = {
-        "name": "list-flavors-with-detail",
-        "http-method": "GET",
-        "url": "flavors/detail",
-        "json-schema": {"type": "NotExistingType"}
-    }
-
-    def setUp(self):
-        super(TestNegativeBasicGenerator, self).setUp()
-        self.generator = base_generator.BasicGeneratorSet()
-
-    def _assert_valid_jsonschema_call(self, jsonschema_mock, desc):
-        self.assertEqual(jsonschema_mock.call_count, 1)
-        jsonschema_mock.assert_called_with(desc, self.generator.schema)
-
-    @mock.patch('jsonschema.validate', wraps=jsonschema.validate)
-    def test_validate_schema_with_valid_input(self, jsonschema_mock):
-        self.generator.validate_schema(self.valid_desc)
-        self._assert_valid_jsonschema_call(jsonschema_mock, self.valid_desc)
-
-    @mock.patch('jsonschema.validate', wraps=jsonschema.validate)
-    def test_validate_schema_with_minimal_input(self, jsonschema_mock):
-        self.generator.validate_schema(self.minimal_desc)
-        self._assert_valid_jsonschema_call(jsonschema_mock, self.minimal_desc)
-
-    def test_validate_schema_with_invalid_input(self):
-        self.assertRaises(jsonschema.ValidationError,
-                          self.generator.validate_schema, self.add_prop_desc)
-        self.assertRaises(jsonschema.SchemaError,
-                          self.generator.validate_schema,
-                          self.invalid_json_schema_desc)
-
-
-class BaseNegativeGenerator(object):
-    types = ['string', 'integer', 'object']
-
-    fake_input_obj = {"type": "object",
-                      "properties": {"minRam": {"type": "integer"},
-                                     "diskName": {"type": "string"},
-                                     "maxRam": {"type": "integer", }
-                                     }
-                      }
-
-    unknown_type_schema = {
-        "type": "not_defined"
-    }
-
-    class fake_test_class(object):
-        def __init__(self, scenario):
-            for k, v in six.iteritems(scenario):
-                setattr(self, k, v)
-
-    def _validate_result(self, valid_schema, invalid_schema):
-        for k, v in six.iteritems(valid_schema):
-            self.assertIn(k, invalid_schema)
-
-    def test_generator_mandatory_functions(self):
-        for data_type in self.types:
-            self.assertIn(data_type, self.generator.types_dict)
-
-    def test_generate_with_unknown_type(self):
-        self.assertRaises(TypeError, self.generator.generate_payload,
-                          self.unknown_type_schema)
-
-
-class TestNegativeValidGenerator(base.TestCase, BaseNegativeGenerator):
-    def setUp(self):
-        super(TestNegativeValidGenerator, self).setUp()
-        self.generator = valid_generator.ValidTestGenerator()
-
-    def test_generate_valid(self):
-        result = self.generator.generate_valid(self.fake_input_obj)
-        self.assertIn("minRam", result)
-        self.assertIsInstance(result["minRam"], int)
-        self.assertIn("diskName", result)
-        self.assertIsInstance(result["diskName"], str)
-
-
-class TestNegativeNegativeGenerator(base.TestCase, BaseNegativeGenerator):
-    def setUp(self):
-        super(TestNegativeNegativeGenerator, self).setUp()
-        self.generator = negative_generator.NegativeTestGenerator()
-
-    def test_generate_obj(self):
-        schema = self.fake_input_obj
-        scenarios = self.generator.generate_scenarios(schema)
-        for scenario in scenarios:
-            test = self.fake_test_class(scenario)
-            valid_schema = \
-                valid_generator.ValidTestGenerator().generate_valid(schema)
-            schema_under_test = copy.copy(valid_schema)
-            expected_result = \
-                self.generator.generate_payload(test, schema_under_test)
-            self.assertIsNone(expected_result)
-            self._validate_result(valid_schema, schema_under_test)
diff --git a/tox.ini b/tox.ini
index 7a21b1f..7a36e84 100644
--- a/tox.ini
+++ b/tox.ini
@@ -143,10 +143,10 @@
 # E125 is a won't fix until https://github.com/jcrocholl/pep8/issues/126 is resolved.  For further detail see https://review.openstack.org/#/c/36788/
 # E123 skipped because it is ignored by default in the default pep8
 # E129 skipped because it is too limiting when combined with other rules
-# Skipped because of new hacking 0.9: H405
 ignore = E125,E123,E129
 show-source = True
 exclude = .git,.venv,.tox,dist,doc,*egg
+enable-extensions = H106,H203
 
 [testenv:releasenotes]
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html