diff --git a/tempest/api/compute/admin/test_agents.py b/tempest/api/compute/admin/test_agents.py
index 40cb523..1c37cad 100644
--- a/tempest/api/compute/admin/test_agents.py
+++ b/tempest/api/compute/admin/test_agents.py
@@ -12,14 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log
-
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest import test
 
-LOG = log.getLogger(__name__)
-
 
 class AgentsAdminTestJSON(base.BaseV2ComputeAdminTest):
     """Tests Agents API"""
diff --git a/tempest/api/compute/admin/test_migrations.py b/tempest/api/compute/admin/test_migrations.py
index c9ba730..2dd2e89 100644
--- a/tempest/api/compute/admin/test_migrations.py
+++ b/tempest/api/compute/admin/test_migrations.py
@@ -31,7 +31,6 @@
         super(MigrationsAdminTest, cls).setup_clients()
         cls.client = cls.os_adm.migrations_client
         cls.flavors_admin_client = cls.os_adm.flavors_client
-        cls.admin_hosts_client = cls.os_adm.hosts_client
         cls.admin_servers_client = cls.os_adm.servers_client
 
     @test.idempotent_id('75c0b83d-72a0-4cf8-a153-631e83e7d53f')
diff --git a/tempest/api/compute/admin/test_servers.py b/tempest/api/compute/admin/test_servers.py
index efa55d5..a8a8b83 100644
--- a/tempest/api/compute/admin/test_servers.py
+++ b/tempest/api/compute/admin/test_servers.py
@@ -29,7 +29,6 @@
         super(ServersAdminTestJSON, cls).setup_clients()
         cls.client = cls.os_adm.servers_client
         cls.non_admin_client = cls.servers_client
-        cls.flavors_client = cls.os_adm.flavors_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/images/test_images_oneserver.py b/tempest/api/compute/images/test_images_oneserver.py
index 19e2880..0b4a2a8 100644
--- a/tempest/api/compute/images/test_images_oneserver.py
+++ b/tempest/api/compute/images/test_images_oneserver.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest.common import waiters
@@ -23,7 +21,6 @@
 from tempest import test
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class ImagesOneServerTestJSON(base.BaseV2ComputeTest):
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index 82ebcd0..d2e31ad 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -300,7 +300,7 @@
             self.validation_resources['keypair']['private_key'],
             server=server_no_eph_disk,
             servers_client=self.client)
-        partition_num = len(linux_client.get_partitions().split('\n'))
+        disks_num = len(linux_client.get_disks().split('\n'))
 
         # Explicit server deletion necessary for Juno compatibility
         self.client.delete_server(server_no_eph_disk['id'])
@@ -320,8 +320,8 @@
             self.validation_resources['keypair']['private_key'],
             server=server_with_eph_disk,
             servers_client=self.client)
-        partition_num_emph = len(linux_client.get_partitions().split('\n'))
-        self.assertEqual(partition_num + 1, partition_num_emph)
+        disks_num_eph = len(linux_client.get_disks().split('\n'))
+        self.assertEqual(disks_num + 1, disks_num_eph)
 
 
 class ServersTestManualDisk(ServersTestJSON):
diff --git a/tempest/api/compute/servers/test_device_tagging.py b/tempest/api/compute/servers/test_device_tagging.py
index 7252e1b..b2d5ae7 100644
--- a/tempest/api/compute/servers/test_device_tagging.py
+++ b/tempest/api/compute/servers/test_device_tagging.py
@@ -52,9 +52,7 @@
         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
diff --git a/tempest/api/compute/servers/test_list_servers_negative.py b/tempest/api/compute/servers/test_list_servers_negative.py
index 5a35b4e..3e408d2 100644
--- a/tempest/api/compute/servers/test_list_servers_negative.py
+++ b/tempest/api/compute/servers/test_list_servers_negative.py
@@ -40,14 +40,9 @@
             srv = cls.create_test_server(wait_until='ACTIVE')
             cls.existing_fixtures.append(srv)
 
-        srv = cls.create_test_server()
+        srv = cls.create_test_server(wait_until='ACTIVE')
         cls.client.delete_server(srv['id'])
-        # We ignore errors on termination because the server may
-        # be put into ERROR status on a quick spawn, then delete,
-        # as the compute node expects the instance local status
-        # to be spawning, not deleted. See LP Bug#1061167
-        waiters.wait_for_server_termination(cls.client, srv['id'],
-                                            ignore_error=True)
+        waiters.wait_for_server_termination(cls.client, srv['id'])
         cls.deleted_fixtures.append(srv)
 
     @test.attr(type=['negative'])
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index 56ec8c6..1edadef 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -111,9 +111,9 @@
                 server=server,
                 servers_client=self.servers_client)
 
-            partitions = linux_client.get_partitions()
-            device_name_to_match = ' ' + self.device + '\n'
-            self.assertIn(device_name_to_match, partitions)
+            disks = linux_client.get_disks()
+            device_name_to_match = '\n' + self.device + ' '
+            self.assertIn(device_name_to_match, disks)
 
         self._detach_volume(server['id'], attachment['volumeId'])
         self.servers_client.stop_server(server['id'])
@@ -133,8 +133,8 @@
                 server=server,
                 servers_client=self.servers_client)
 
-            partitions = linux_client.get_partitions()
-            self.assertNotIn(device_name_to_match, partitions)
+            disks = linux_client.get_disks()
+            self.assertNotIn(device_name_to_match, disks)
 
     @test.idempotent_id('7fa563fe-f0f7-43eb-9e22-a1ece036b513')
     def test_list_get_volume_attachments(self):
diff --git a/tempest/api/compute/volumes/test_volumes_list.py b/tempest/api/compute/volumes/test_volumes_list.py
index e4e625b..82cc653 100644
--- a/tempest/api/compute/volumes/test_volumes_list.py
+++ b/tempest/api/compute/volumes/test_volumes_list.py
@@ -13,14 +13,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest.api.compute import base
 from tempest import config
 from tempest import test
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class VolumesTestJSON(base.BaseV2ComputeTest):
diff --git a/tempest/api/network/test_service_providers.py b/tempest/api/network/test_service_providers.py
index 09fb5fe..be17b3e 100644
--- a/tempest/api/network/test_service_providers.py
+++ b/tempest/api/network/test_service_providers.py
@@ -10,6 +10,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import testtools
+
 from tempest.api.network import base
 from tempest import test
 
@@ -17,6 +19,9 @@
 class ServiceProvidersTest(base.BaseNetworkTest):
 
     @test.idempotent_id('2cbbeea9-f010-40f6-8df5-4eaa0c918ea6')
+    @testtools.skipUnless(
+        test.is_extension_enabled('service-type', 'network'),
+        'service-type extension not enabled.')
     def test_service_providers_list(self):
         body = self.service_providers_client.list_service_providers()
         self.assertIn('service_providers', body)
diff --git a/tempest/api/volume/admin/test_volumes_actions.py b/tempest/api/volume/admin/test_volumes_actions.py
index 261e652..a63cbf0 100644
--- a/tempest/api/volume/admin/test_volumes_actions.py
+++ b/tempest/api/volume/admin/test_volumes_actions.py
@@ -14,27 +14,11 @@
 #    under the License.
 
 from tempest.api.volume import base
-from tempest import config
 from tempest import test
 
-CONF = config.CONF
-
 
 class VolumesActionsV2Test(base.BaseVolumeAdminTest):
 
-    @classmethod
-    def resource_setup(cls):
-        super(VolumesActionsV2Test, cls).resource_setup()
-
-        # Create a test shared volume for tests
-        cls.volume = cls.create_volume()
-
-    def tearDown(self):
-        # Set volume's status to available after test
-        self.admin_volume_client.reset_volume_status(
-            self.volume['id'], status='available')
-        super(VolumesActionsV2Test, self).tearDown()
-
     def _create_reset_and_force_delete_temp_volume(self, status=None):
         # Create volume, reset volume status, and force delete temp volume
         temp_volume = self.create_volume()
@@ -47,11 +31,13 @@
     @test.idempotent_id('d063f96e-a2e0-4f34-8b8a-395c42de1845')
     def test_volume_reset_status(self):
         # test volume reset status : available->error->available
-        self.admin_volume_client.reset_volume_status(
-            self.volume['id'], status='error')
-        volume_get = self.admin_volume_client.show_volume(
-            self.volume['id'])['volume']
-        self.assertEqual('error', volume_get['status'])
+        volume = self.create_volume()
+        for status in ['error', 'available']:
+            self.admin_volume_client.reset_volume_status(
+                volume['id'], status=status)
+            volume_get = self.admin_volume_client.show_volume(
+                volume['id'])['volume']
+            self.assertEqual(status, volume_get['status'])
 
     @test.idempotent_id('21737d5a-92f2-46d7-b009-a0cc0ee7a570')
     def test_volume_force_delete_when_volume_is_creating(self):
diff --git a/tempest/api/volume/test_volumes_backup.py b/tempest/api/volume/test_volumes_backup.py
index 972dd58..0091027 100644
--- a/tempest/api/volume/test_volumes_backup.py
+++ b/tempest/api/volume/test_volumes_backup.py
@@ -38,8 +38,10 @@
                         volume['id'])
         backup_name = data_utils.rand_name(
             self.__class__.__name__ + '-Backup')
+        description = data_utils.rand_name("volume-backup-description")
         backup = self.create_backup(volume_id=volume['id'],
-                                    name=backup_name)
+                                    name=backup_name,
+                                    description=description)
         self.assertEqual(backup_name, backup['name'])
         waiters.wait_for_volume_status(self.volumes_client,
                                        volume['id'], 'available')
@@ -47,6 +49,7 @@
         # Get a given backup
         backup = self.backups_client.show_backup(backup['id'])['backup']
         self.assertEqual(backup_name, backup['name'])
+        self.assertEqual(description, backup['description'])
 
         # Get all backups with detail
         backups = self.backups_client.list_backups(
diff --git a/tempest/common/utils/linux/remote_client.py b/tempest/common/utils/linux/remote_client.py
index 9ec217f..d8993bb 100644
--- a/tempest/common/utils/linux/remote_client.py
+++ b/tempest/common/utils/linux/remote_client.py
@@ -112,11 +112,22 @@
         output = self.exec_command('grep -c ^processor /proc/cpuinfo')
         return int(output)
 
-    def get_partitions(self):
-        # Return the contents of /proc/partitions
-        command = 'cat /proc/partitions'
+    def get_disks(self):
+        # Select root disk devices as shown by lsblk
+        command = 'lsblk -lb --nodeps'
         output = self.exec_command(command)
-        return output
+        selected = []
+        pos = None
+        for l in output.splitlines():
+            if pos is None and l.find("TYPE") > 0:
+                pos = l.find("TYPE")
+                # Show header line too
+                selected.append(l)
+            # lsblk lists disk type in a column right-aligned with TYPE
+            elif pos > 0 and l[pos:pos + 4] == "disk":
+                selected.append(l)
+
+        return "\n".join(selected)
 
     def get_boot_time(self):
         cmd = 'cut -f1 -d. /proc/uptime'
diff --git a/tempest/config.py b/tempest/config.py
index 47eb427..a3d4d78 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -422,10 +422,16 @@
                 default=['all'],
                 help="A list of enabled filters that nova will accept as hints"
                      " to the scheduler when creating a server. A special "
-                     "entry 'all' indicates all filters are enabled. Empty "
-                     "list indicates all filters are disabled. The full "
-                     "available list of filters is in nova.conf: "
-                     "DEFAULT.scheduler_available_filters"),
+                     "entry 'all' indicates all filters that are included "
+                     "with nova are enabled. Empty list indicates all filters "
+                     "are disabled. The full list of available filters is in "
+                     "nova.conf: DEFAULT.scheduler_available_filters. If the "
+                     "default value is overridden in nova.conf by the test "
+                     "environment (which means that a different set of "
+                     "filters is enabled than what is included in Nova by "
+                     "default) then, this option must be configured to "
+                     "contain the same filters that Nova uses in the test "
+                     "environment."),
     cfg.BoolOpt('swap_volume',
                 default=False,
                 help='Does the test environment support in-place swapping of '
diff --git a/tempest/lib/services/compute/flavors_client.py b/tempest/lib/services/compute/flavors_client.py
index 4d1044b..a83c68b 100644
--- a/tempest/lib/services/compute/flavors_client.py
+++ b/tempest/lib/services/compute/flavors_client.py
@@ -67,9 +67,9 @@
         API reference:
         http://developer.openstack.org/api-ref-compute-v2.1.html#createFlavor
         """
-        if kwargs.get('ephemeral'):
+        if 'ephemeral' in kwargs:
             kwargs['OS-FLV-EXT-DATA:ephemeral'] = kwargs.pop('ephemeral')
-        if kwargs.get('is_public'):
+        if 'is_public' in kwargs:
             kwargs['os-flavor-access:is_public'] = kwargs.pop('is_public')
 
         post_body = json.dumps({'flavor': kwargs})
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index f2f17d2..c454ae2 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -66,10 +66,10 @@
         waiters.wait_for_server_status(self.servers_client,
                                        server['id'], 'ACTIVE')
 
-    def check_partitions(self):
+    def check_disks(self):
         # NOTE(andreaf) The device name may be different on different guest OS
-        partitions = self.linux_client.get_partitions()
-        self.assertEqual(1, partitions.count(CONF.compute.volume_device_name))
+        disks = self.linux_client.get_disks()
+        self.assertEqual(1, disks.count(CONF.compute.volume_device_name))
 
     def create_and_add_security_group_to_server(self, server):
         secgroup = self._create_security_group()
@@ -145,7 +145,7 @@
         self.linux_client = self.get_remote_client(
             floating_ip['ip'], private_key=keypair['private_key'])
 
-        self.check_partitions()
+        self.check_disks()
 
         # delete the floating IP, this should refresh the server addresses
         self.compute_floating_ips_client.delete_floating_ip(floating_ip['id'])
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index 0f2c78c..dff00e7 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -85,9 +85,9 @@
         ssh = self.get_remote_client(ip_address, private_key=private_key)
 
         def _func():
-            part = ssh.get_partitions()
-            LOG.debug("Partitions:%s" % part)
-            return CONF.compute.volume_device_name in part
+            disks = ssh.get_disks()
+            LOG.debug("Disks: %s" % disks)
+            return CONF.compute.volume_device_name in disks
 
         if not test_utils.call_until_true(_func,
                                           CONF.compute.build_timeout,
diff --git a/tempest/test.py b/tempest/test.py
index 51f0a6a..af97932 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -164,7 +164,15 @@
 
 
 def is_scheduler_filter_enabled(filter_name):
-    """Check the list of enabled compute scheduler filters from config. """
+    """Check the list of enabled compute scheduler filters from config.
+
+    This function checks whether the given compute scheduler filter is
+    available and configured in the config file. If the
+    scheduler_available_filters option is set to 'all' (Default value. which
+    means default filters are configured in nova) in tempest.conf then, this
+    function returns True with assumption that requested filter 'filter_name'
+    is one of available filter in nova ("nova.scheduler.filters.all_filters").
+    """
 
     filters = CONF.compute_feature_enabled.scheduler_available_filters
     if len(filters) == 0:
diff --git a/tempest/tests/common/utils/linux/test_remote_client.py b/tempest/tests/common/utils/linux/test_remote_client.py
index e59e08f..e4f4c04 100644
--- a/tempest/tests/common/utils/linux/test_remote_client.py
+++ b/tempest/tests/common/utils/linux/test_remote_client.py
@@ -107,13 +107,20 @@
         self.assertEqual(self.conn.get_number_of_vcpus(), 16)
         self._assert_exec_called_with('grep -c ^processor /proc/cpuinfo')
 
-    def test_get_partitions(self):
-        proc_partitions = """major minor  #blocks  name
+    def test_get_disks(self):
+        output_lsblk = """\
+NAME       MAJ:MIN    RM          SIZE RO TYPE MOUNTPOINT
+sda          8:0       0  128035676160  0 disk
+sdb          8:16      0 1000204886016  0 disk
+sr0         11:0       1    1073741312  0 rom"""
+        result = """\
+NAME       MAJ:MIN    RM          SIZE RO TYPE MOUNTPOINT
+sda          8:0       0  128035676160  0 disk
+sdb          8:16      0 1000204886016  0 disk"""
 
-8        0  1048576 vda"""
-        self.ssh_mock.mock.exec_command.return_value = proc_partitions
-        self.assertEqual(self.conn.get_partitions(), proc_partitions)
-        self._assert_exec_called_with('cat /proc/partitions')
+        self.ssh_mock.mock.exec_command.return_value = output_lsblk
+        self.assertEqual(self.conn.get_disks(), result)
+        self._assert_exec_called_with('lsblk -lb --nodeps')
 
     def test_get_boot_time(self):
         booted_at = 10000