diff --git a/tempest/api/compute/admin/test_aggregates.py b/tempest/api/compute/admin/test_aggregates.py
index 667d30b..1233a2b 100644
--- a/tempest/api/compute/admin/test_aggregates.py
+++ b/tempest/api/compute/admin/test_aggregates.py
@@ -18,9 +18,12 @@
 from tempest.api.compute import base
 from tempest.common import tempest_fixtures as fixtures
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.lib.common.utils import test_utils
 from tempest import test
 
+CONF = config.CONF
+
 
 class AggregatesAdminTestJSON(base.BaseV2ComputeAdminTest):
     """Tests Aggregates API that require admin privileges"""
@@ -39,14 +42,22 @@
         cls.host = None
         hypers = cls.os_adm.hypervisor_client.list_hypervisors(
             detail=True)['hypervisors']
+
+        if CONF.compute.hypervisor_type:
+            hypers = [hyper for hyper in hypers
+                      if (hyper['hypervisor_type'] ==
+                          CONF.compute.hypervisor_type)]
+
         hosts_available = [hyper['service']['host'] for hyper in hypers
                            if (hyper['state'] == 'up' and
                                hyper['status'] == 'enabled')]
         if hosts_available:
             cls.host = hosts_available[0]
         else:
-            raise testtools.TestCase.failureException(
-                "no available compute node found")
+            msg = "no available compute node found"
+            if CONF.compute.hypervisor_type:
+                msg += " for hypervisor_type %s" % CONF.compute.hypervisor_type
+            raise testtools.TestCase.failureException(msg)
 
     @test.idempotent_id('0d148aa3-d54c-4317-aa8d-42040a475e20')
     def test_aggregate_create_delete(self):
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index 629926d..deefbeb 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -135,12 +135,12 @@
         super(BaseNetworkTest, cls).resource_cleanup()
 
     @classmethod
-    def create_network(cls, network_name=None):
+    def create_network(cls, network_name=None, **kwargs):
         """Wrapper utility that returns a test network."""
         network_name = network_name or data_utils.rand_name(
-            cls.__name__ + "-network")
+            cls.__name__ + '-test-network')
 
-        body = cls.networks_client.create_network(name=network_name)
+        body = cls.networks_client.create_network(name=network_name, **kwargs)
         network = body['network']
         cls.networks.append(network)
         return network
diff --git a/tempest/api/network/test_networks.py b/tempest/api/network/test_networks.py
index d2056c4..acac22b 100644
--- a/tempest/api/network/test_networks.py
+++ b/tempest/api/network/test_networks.py
@@ -209,12 +209,16 @@
     def test_show_network_fields(self):
         # Verify specific fields of a network
         fields = ['id', 'name']
+        if test.is_extension_enabled('net-mtu', 'network'):
+            fields.append('mtu')
         body = self.networks_client.show_network(self.network['id'],
                                                  fields=fields)
         network = body['network']
         self.assertEqual(sorted(network.keys()), sorted(fields))
         for field_name in fields:
             self.assertEqual(network[field_name], self.network[field_name])
+        self.assertNotIn('tenant_id', network)
+        self.assertNotIn('project_id', network)
 
     @test.attr(type='smoke')
     @test.idempotent_id('f7ffdeda-e200-4a7a-bcbe-05716e86bf43')
@@ -229,6 +233,8 @@
     def test_list_networks_fields(self):
         # Verify specific fields of the networks
         fields = ['id', 'name']
+        if test.is_extension_enabled('net-mtu', 'network'):
+            fields.append('mtu')
         body = self.networks_client.list_networks(fields=fields)
         networks = body['networks']
         self.assertNotEmpty(networks, "Network list returned is empty")
@@ -385,6 +391,21 @@
             network_id=CONF.network.public_network_id)
         self.assertEmpty(body['subnets'], "Public subnets visible")
 
+    @test.idempotent_id('c72c1c0c-2193-4aca-ccc4-b1442640bbbb')
+    @test.requires_ext(extension="standard-attr-description",
+                       service="network")
+    def test_create_update_network_description(self):
+        body = self.create_network(description='d1')
+        self.assertEqual('d1', body['description'])
+        net_id = body['id']
+        body = self.networks_client.list_networks(id=net_id)['networks'][0]
+        self.assertEqual('d1', body['description'])
+        body = self.networks_client.update_network(body['id'],
+                                                   description='d2')
+        self.assertEqual('d2', body['network']['description'])
+        body = self.networks_client.list_networks(id=net_id)['networks'][0]
+        self.assertEqual('d2', body['description'])
+
 
 class BulkNetworkOpsTest(base.BaseNetworkTest):
     """Tests the following operations in the Neutron API:
diff --git a/tempest/api/volume/admin/test_volumes_backup.py b/tempest/api/volume/admin/test_volumes_backup.py
index 73f1f8f..61d4ba7 100644
--- a/tempest/api/volume/admin/test_volumes_backup.py
+++ b/tempest/api/volume/admin/test_volumes_backup.py
@@ -33,12 +33,6 @@
         if not CONF.volume_feature_enabled.backup:
             raise cls.skipException("Cinder backup feature disabled")
 
-    @classmethod
-    def resource_setup(cls):
-        super(VolumesBackupsAdminV2Test, cls).resource_setup()
-
-        cls.volume = cls.create_volume()
-
     def _delete_backup(self, backup_id):
         self.admin_backups_client.delete_backup(backup_id)
         self.admin_backups_client.wait_for_resource_deletion(backup_id)
@@ -62,14 +56,13 @@
         Cinder allows exporting DB backup information through its API so it can
         be imported back in case of a DB loss.
         """
+        volume = self.create_volume()
         # Create backup
         backup_name = data_utils.rand_name(self.__class__.__name__ + '-Backup')
-        backup = (self.admin_backups_client.create_backup(
-            volume_id=self.volume['id'], name=backup_name)['backup'])
-        self.addCleanup(self._delete_backup, backup['id'])
+        backup = (self.create_backup(backup_client=self.admin_backups_client,
+                                     volume_id=volume['id'],
+                                     name=backup_name))
         self.assertEqual(backup_name, backup['name'])
-        waiters.wait_for_backup_status(self.admin_backups_client,
-                                       backup['id'], 'available')
 
         # Export Backup
         export_backup = (self.admin_backups_client.export_backup(backup['id'])
@@ -126,16 +119,15 @@
 
     @test.idempotent_id('47a35425-a891-4e13-961c-c45deea21e94')
     def test_volume_backup_reset_status(self):
+        # Create a volume
+        volume = self.create_volume()
         # Create a backup
         backup_name = data_utils.rand_name(
             self.__class__.__name__ + '-Backup')
-        backup = self.admin_backups_client.create_backup(
-            volume_id=self.volume['id'], name=backup_name)['backup']
-        self.addCleanup(self.admin_backups_client.delete_backup,
-                        backup['id'])
+        backup = self.create_backup(backup_client=self.admin_backups_client,
+                                    volume_id=volume['id'],
+                                    name=backup_name)
         self.assertEqual(backup_name, backup['name'])
-        waiters.wait_for_backup_status(self.admin_backups_client,
-                                       backup['id'], 'available')
         # Reset backup status to error
         self.admin_backups_client.reset_backup_status(backup_id=backup['id'],
                                                       status="error")
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 178b0b1..01e2c82 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -150,6 +150,18 @@
                                          snapshot['id'], 'available')
         return snapshot
 
+    def create_backup(self, volume_id, backup_client=None, **kwargs):
+        """Wrapper utility that returns a test backup."""
+        if backup_client is None:
+            backup_client = self.backups_client
+
+        backup = backup_client.create_backup(
+            volume_id=volume_id, **kwargs)['backup']
+        self.addCleanup(backup_client.delete_backup, backup['id'])
+        waiters.wait_for_backup_status(backup_client, backup['id'],
+                                       'available')
+        return backup
+
     # NOTE(afazekas): these create_* and clean_* could be defined
     # only in a single location in the source, and could be more general.
 
diff --git a/tempest/api/volume/test_volumes_backup.py b/tempest/api/volume/test_volumes_backup.py
index 141336f..972dd58 100644
--- a/tempest/api/volume/test_volumes_backup.py
+++ b/tempest/api/volume/test_volumes_backup.py
@@ -38,16 +38,11 @@
                         volume['id'])
         backup_name = data_utils.rand_name(
             self.__class__.__name__ + '-Backup')
-        create_backup = self.backups_client.create_backup
-        backup = create_backup(volume_id=volume['id'],
-                               name=backup_name)['backup']
-        self.addCleanup(self.backups_client.delete_backup,
-                        backup['id'])
+        backup = self.create_backup(volume_id=volume['id'],
+                                    name=backup_name)
         self.assertEqual(backup_name, backup['name'])
         waiters.wait_for_volume_status(self.volumes_client,
                                        volume['id'], 'available')
-        waiters.wait_for_backup_status(self.backups_client,
-                                       backup['id'], 'available')
 
         # Get a given backup
         backup = self.backups_client.show_backup(backup['id'])['backup']
@@ -97,12 +92,8 @@
         # Create backup using force flag
         backup_name = data_utils.rand_name(
             self.__class__.__name__ + '-Backup')
-        backup = self.backups_client.create_backup(
-            volume_id=volume['id'],
-            name=backup_name, force=True)['backup']
-        self.addCleanup(self.backups_client.delete_backup, backup['id'])
-        waiters.wait_for_backup_status(self.backups_client,
-                                       backup['id'], 'available')
+        backup = self.create_backup(volume_id=volume['id'],
+                                    name=backup_name, force=True)
         self.assertEqual(backup_name, backup['name'])
 
 
diff --git a/tempest/api/volume/test_volumes_clone.py b/tempest/api/volume/test_volumes_clone.py
index 7529dc2..b0a434e 100644
--- a/tempest/api/volume/test_volumes_clone.py
+++ b/tempest/api/volume/test_volumes_clone.py
@@ -45,6 +45,22 @@
         self.assertEqual(volume['source_volid'], src_vol['id'])
         self.assertEqual(int(volume['size']), src_size + 1)
 
+    @test.idempotent_id('cbbcd7c6-5a6c-481a-97ac-ca55ab715d16')
+    def test_create_from_bootable_volume(self):
+        # Create volume from image
+        img_uuid = CONF.compute.image_ref
+        src_vol = self.create_volume(imageRef=img_uuid)
+
+        # Create a volume from the bootable volume
+        cloned_vol = self.create_volume(source_volid=src_vol['id'])
+        cloned_vol_details = self.volumes_client.show_volume(
+            cloned_vol['id'])['volume']
+
+        # Verify cloned volume creation as expected
+        self.assertEqual('true', cloned_vol_details['bootable'])
+        self.assertEqual(src_vol['id'], cloned_vol_details['source_volid'])
+        self.assertEqual(src_vol['size'], cloned_vol_details['size'])
+
 
 class VolumesV1CloneTest(VolumesCloneTest):
     _api_version = 1
diff --git a/tempest/config.py b/tempest/config.py
index 70ede55..7550287 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -278,6 +278,11 @@
                      'be utilized by some multinode specific tests to ensure '
                      'that requests match the expected size of the cluster '
                      'you are testing with.')),
+    cfg.StrOpt('hypervisor_type',
+               default=None,
+               help="Hypervisor type of the test target on heterogeneous "
+                    "compute environment. The value can be 'QEMU', 'xen' or "
+                    "something."),
     cfg.StrOpt('min_microversion',
                default=None,
                help="Lower version of the test target microversion range. "
diff --git a/tempest/lib/cli/base.py b/tempest/lib/cli/base.py
index a43d002..72a15b5 100644
--- a/tempest/lib/cli/base.py
+++ b/tempest/lib/cli/base.py
@@ -29,7 +29,7 @@
 
 
 def execute(cmd, action, flags='', params='', fail_ok=False,
-            merge_stderr=False, cli_dir='/usr/bin'):
+            merge_stderr=False, cli_dir='/usr/bin', prefix=''):
     """Executes specified command for the given action.
 
     :param cmd: command to be executed
@@ -48,9 +48,12 @@
     :type merge_stderr: boolean
     :param cli_dir: The path where the cmd can be executed
     :type cli_dir: string
+    :param prefix: prefix to insert before command
+    :type prefix: string
     """
-    cmd = ' '.join([os.path.join(cli_dir, cmd),
+    cmd = ' '.join([prefix, os.path.join(cli_dir, cmd),
                     flags, action, params])
+    cmd = cmd.strip()
     LOG.info("running: '%s'" % cmd)
     if six.PY2:
         cmd = cmd.encode('utf-8')
@@ -88,10 +91,12 @@
     :type cli_dir: string
     :param insecure: if True, --insecure is passed to python client binaries.
     :type insecure: boolean
+    :param prefix: prefix to insert before commands
+    :type prefix: string
     """
 
     def __init__(self, username='', password='', tenant_name='', uri='',
-                 cli_dir='', insecure=False, *args, **kwargs):
+                 cli_dir='', insecure=False, prefix='', *args, **kwargs):
         """Initialize a new CLIClient object."""
         super(CLIClient, self).__init__()
         self.cli_dir = cli_dir if cli_dir else '/usr/bin'
@@ -100,6 +105,7 @@
         self.password = password
         self.uri = uri
         self.insecure = insecure
+        self.prefix = prefix
 
     def nova(self, action, flags='', params='', fail_ok=False,
              endpoint_type='publicURL', merge_stderr=False):
@@ -365,7 +371,7 @@
         else:
             flags = creds + ' ' + flags
         return execute(cmd, action, flags, params, fail_ok, merge_stderr,
-                       self.cli_dir)
+                       self.cli_dir, prefix=self.prefix)
 
 
 class ClientTestBase(base.BaseTestCase):
diff --git a/tempest/tests/lib/cli/test_execute.py b/tempest/tests/lib/cli/test_execute.py
index cc9c94c..aaeb6f4 100644
--- a/tempest/tests/lib/cli/test_execute.py
+++ b/tempest/tests/lib/cli/test_execute.py
@@ -11,7 +11,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-
 import mock
 import subprocess
 
@@ -74,3 +73,20 @@
         self.assertRaises(exceptions.CommandFailed, cli_base.execute,
                           "/bin/ls", action="tempest", flags="--foobar",
                           merge_stderr=True)
+
+    def test_execute_with_prefix(self):
+        result = cli_base.execute("env", action="",
+                                  prefix="env NEW_VAR=1")
+        self.assertIsInstance(result, str)
+        self.assertIn("NEW_VAR=1", result)
+
+
+class TestCLIClient(base.TestCase):
+
+    @mock.patch.object(cli_base, 'execute')
+    def test_execute_with_prefix(self, mock_execute):
+        cli = cli_base.CLIClient(prefix='env LAC_ALL=C')
+        cli.glance('action')
+        self.assertEqual(mock_execute.call_count, 1)
+        self.assertEqual(mock_execute.call_args[1],
+                         {'prefix': 'env LAC_ALL=C'})