diff --git a/tempest/api/compute/admin/test_servers.py b/tempest/api/compute/admin/test_servers.py
index 10484a9..2cee78a 100644
--- a/tempest/api/compute/admin/test_servers.py
+++ b/tempest/api/compute/admin/test_servers.py
@@ -99,6 +99,18 @@
         self.servers_client.wait_for_server_termination(server['id'])
 
     @attr(type='gate')
+    def test_delete_server_while_in_error_state(self):
+        # Delete a server while it's VM state is error
+        resp, server = self.create_test_server(wait_until='ACTIVE')
+        resp, body = self.client.reset_state(server['id'], state='error')
+        self.assertEqual(202, resp.status)
+        # Verify server's state
+        resp, server = self.client.get_server(server['id'])
+        self.assertEqual(server['status'], 'ERROR')
+        resp, _ = self.client.delete_server(server['id'])
+        self.assertEqual('204', resp['status'])
+
+    @attr(type='gate')
     def test_reset_state_server(self):
         # Reset server's state to 'error'
         resp, server = self.client.reset_state(self.s1_id)
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index 9b9eb9f..5539894 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -33,9 +33,6 @@
     @classmethod
     def setUpClass(cls):
         super(BaseComputeTest, cls).setUpClass()
-        if not cls.config.service_available.nova:
-            skip_msg = ("%s skipped as nova is not available" % cls.__name__)
-            raise cls.skipException(skip_msg)
 
         os = cls.get_client_manager()
 
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 6a0a195..49d8495 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -84,7 +84,8 @@
             # Log in and verify the boot time has changed
             linux_client = RemoteClient(server, self.ssh_user, self.password)
             new_boot_time = linux_client.get_boot_time()
-            self.assertGreater(new_boot_time, boot_time)
+            self.assertTrue(new_boot_time > boot_time,
+                            '%s > %s' % (new_boot_time, boot_time))
 
     @skip_because(bug="1014647")
     @attr(type='smoke')
@@ -104,7 +105,8 @@
             # Log in and verify the boot time has changed
             linux_client = RemoteClient(server, self.ssh_user, self.password)
             new_boot_time = linux_client.get_boot_time()
-            self.assertGreater(new_boot_time, boot_time)
+            self.assertTrue(new_boot_time > boot_time,
+                            '%s > %s' % (new_boot_time, boot_time))
 
     @attr(type='smoke')
     def test_rebuild_server(self):
diff --git a/tempest/api/compute/servers/test_servers.py b/tempest/api/compute/servers/test_servers.py
index 8ae43b5..203832e 100644
--- a/tempest/api/compute/servers/test_servers.py
+++ b/tempest/api/compute/servers/test_servers.py
@@ -104,6 +104,24 @@
         self.assertEqual('::babe:202:202', server['accessIPv6'])
 
     @attr(type='gate')
+    def test_delete_server_while_in_shutoff_state(self):
+        # Delete a server while it's VM state is Shutoff
+        resp, server = self.create_test_server(wait_until='ACTIVE')
+        resp, body = self.client.stop(server['id'])
+        self.client.wait_for_server_status(server['id'], 'SHUTOFF')
+        resp, _ = self.client.delete_server(server['id'])
+        self.assertEqual('204', resp['status'])
+
+    @attr(type='gate')
+    def test_delete_server_while_in_pause_state(self):
+        # Delete a server while it's VM state is Pause
+        resp, server = self.create_test_server(wait_until='ACTIVE')
+        resp, body = self.client.pause_server(server['id'])
+        self.client.wait_for_server_status(server['id'], 'PAUSED')
+        resp, _ = self.client.delete_server(server['id'])
+        self.assertEqual('204', resp['status'])
+
+    @attr(type='gate')
     def test_delete_server_while_in_building_state(self):
         # Delete a server while it's VM state is Building
         resp, server = self.create_test_server(wait_until='BUILD')
diff --git a/tempest/api/compute/v3/admin/test_aggregates.py b/tempest/api/compute/v3/admin/test_aggregates.py
index 7491742..956eddd 100644
--- a/tempest/api/compute/v3/admin/test_aggregates.py
+++ b/tempest/api/compute/v3/admin/test_aggregates.py
@@ -210,10 +210,3 @@
                                                wait_until='ACTIVE')
         resp, body = admin_servers_client.get_server(server['id'])
         self.assertEqual(self.host, body[self._host_key])
-
-
-class AggregatesAdminV3TestXML(AggregatesAdminV3TestJSON):
-    _host_key = (
-        '{http://docs.openstack.org/compute/ext/'
-        'extended_server_attributes/api/v3}host')
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_aggregates_negative.py b/tempest/api/compute/v3/admin/test_aggregates_negative.py
index 4eb75a5..da3568a 100644
--- a/tempest/api/compute/v3/admin/test_aggregates_negative.py
+++ b/tempest/api/compute/v3/admin/test_aggregates_negative.py
@@ -188,7 +188,3 @@
 
         self.assertRaises(exceptions.NotFound, self.client.remove_host,
                           aggregate['id'], non_exist_host)
-
-
-class AggregatesAdminNegativeV3TestXML(AggregatesAdminNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_availability_zone.py b/tempest/api/compute/v3/admin/test_availability_zone.py
index 2955dc8..5ced2b1 100644
--- a/tempest/api/compute/v3/admin/test_availability_zone.py
+++ b/tempest/api/compute/v3/admin/test_availability_zone.py
@@ -53,7 +53,3 @@
             self.non_adm_client.get_availability_zone_list()
         self.assertEqual(200, resp.status)
         self.assertTrue(len(availability_zone) > 0)
-
-
-class AZAdminV3TestXML(AZAdminV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_availability_zone_negative.py b/tempest/api/compute/v3/admin/test_availability_zone_negative.py
index d69e956..60cd1d6 100644
--- a/tempest/api/compute/v3/admin/test_availability_zone_negative.py
+++ b/tempest/api/compute/v3/admin/test_availability_zone_negative.py
@@ -39,7 +39,3 @@
         self.assertRaises(
             exceptions.Unauthorized,
             self.non_adm_client.get_availability_zone_list_detail)
-
-
-class AZAdminNegativeV3TestXML(AZAdminNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_flavors_access.py b/tempest/api/compute/v3/admin/test_flavors_access.py
index 532dc48..d668640 100644
--- a/tempest/api/compute/v3/admin/test_flavors_access.py
+++ b/tempest/api/compute/v3/admin/test_flavors_access.py
@@ -99,7 +99,3 @@
         resp, flavors = self.flavors_client.list_flavors_with_detail()
         self.assertEqual(resp.status, 200)
         self.assertNotIn(new_flavor['id'], map(lambda x: x['id'], flavors))
-
-
-class FlavorsAdminV3TestXML(FlavorsAccessV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_flavors_access_negative.py b/tempest/api/compute/v3/admin/test_flavors_access_negative.py
index e9d811c..8595b2c 100644
--- a/tempest/api/compute/v3/admin/test_flavors_access_negative.py
+++ b/tempest/api/compute/v3/admin/test_flavors_access_negative.py
@@ -140,7 +140,3 @@
                           self.client.remove_flavor_access,
                           new_flavor['id'],
                           str(uuid.uuid4()))
-
-
-class FlavorsAdminNegativeV3TestXML(FlavorsAccessNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_flavors_extra_specs.py b/tempest/api/compute/v3/admin/test_flavors_extra_specs.py
index b084157..0363fcb 100644
--- a/tempest/api/compute/v3/admin/test_flavors_extra_specs.py
+++ b/tempest/api/compute/v3/admin/test_flavors_extra_specs.py
@@ -120,7 +120,3 @@
         self.assertEqual(resp.status, 200)
         self.assertEqual(body['key1'], 'value1')
         self.assertNotIn('key2', body)
-
-
-class FlavorsExtraSpecsV3TestXML(FlavorsExtraSpecsV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_flavors_extra_specs_negative.py b/tempest/api/compute/v3/admin/test_flavors_extra_specs_negative.py
index a81edb1..0f300a1 100644
--- a/tempest/api/compute/v3/admin/test_flavors_extra_specs_negative.py
+++ b/tempest/api/compute/v3/admin/test_flavors_extra_specs_negative.py
@@ -124,7 +124,3 @@
                           "key1",
                           key1="value",
                           key2="value")
-
-
-class FlavorsExtraSpecsNegativeV3TestXML(FlavorsExtraSpecsNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_hosts.py b/tempest/api/compute/v3/admin/test_hosts.py
index a110d02..8199ee8 100644
--- a/tempest/api/compute/v3/admin/test_hosts.py
+++ b/tempest/api/compute/v3/admin/test_hosts.py
@@ -86,7 +86,3 @@
             self.assertIsNotNone(host_resource['memory_mb'])
             self.assertIsNotNone(host_resource['project'])
             self.assertEqual(hostname, host_resource['host'])
-
-
-class HostsAdminV3TestXML(HostsAdminV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_hosts_negative.py b/tempest/api/compute/v3/admin/test_hosts_negative.py
index 9841950..aa50618 100644
--- a/tempest/api/compute/v3/admin/test_hosts_negative.py
+++ b/tempest/api/compute/v3/admin/test_hosts_negative.py
@@ -168,7 +168,3 @@
         self.assertRaises(exceptions.Unauthorized,
                           self.non_admin_client.reboot_host,
                           hostname)
-
-
-class HostsAdminNegativeV3TestXML(HostsAdminNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_hypervisor.py b/tempest/api/compute/v3/admin/test_hypervisor.py
index 84f6b4d..8bd4abb 100644
--- a/tempest/api/compute/v3/admin/test_hypervisor.py
+++ b/tempest/api/compute/v3/admin/test_hypervisor.py
@@ -97,7 +97,3 @@
             hypers[0]['hypervisor_hostname'])
         self.assertEqual(200, resp.status)
         self.assertTrue(len(hypers) > 0)
-
-
-class HypervisorAdminV3TestXML(HypervisorAdminV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_hypervisor_negative.py b/tempest/api/compute/v3/admin/test_hypervisor_negative.py
index 68b0af0..63e8cae 100644
--- a/tempest/api/compute/v3/admin/test_hypervisor_negative.py
+++ b/tempest/api/compute/v3/admin/test_hypervisor_negative.py
@@ -136,7 +136,3 @@
             exceptions.Unauthorized,
             self.non_adm_client.search_hypervisor,
             hypers[0]['hypervisor_hostname'])
-
-
-class HypervisorAdminNegativeV3TestXML(HypervisorAdminNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_instance_usage_audit_log.py b/tempest/api/compute/v3/admin/test_instance_usage_audit_log.py
index fada98c..9651338 100644
--- a/tempest/api/compute/v3/admin/test_instance_usage_audit_log.py
+++ b/tempest/api/compute/v3/admin/test_instance_usage_audit_log.py
@@ -57,7 +57,3 @@
         for item in expected_items:
             self.assertIn(item, body)
         self.assertEqual(body['period_ending'], "2012-12-23 23:00:00")
-
-
-class InstanceUsageAuditLogV3TestXML(InstanceUsageAuditLogV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_instance_usage_audit_log_negative.py b/tempest/api/compute/v3/admin/test_instance_usage_audit_log_negative.py
index 06b3711..8ed1a98 100644
--- a/tempest/api/compute/v3/admin/test_instance_usage_audit_log_negative.py
+++ b/tempest/api/compute/v3/admin/test_instance_usage_audit_log_negative.py
@@ -39,8 +39,3 @@
         self.assertRaises(exceptions.BadRequest,
                           self.adm_client.list_instance_usage_audit_logs,
                           "invalid_time")
-
-
-class InstanceUsageLogNegativeV3TestXML(
-    InstanceUsageLogNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_quotas.py b/tempest/api/compute/v3/admin/test_quotas.py
index ed4561d..e116734 100644
--- a/tempest/api/compute/v3/admin/test_quotas.py
+++ b/tempest/api/compute/v3/admin/test_quotas.py
@@ -147,7 +147,3 @@
         self.addCleanup(self.adm_client.update_quota_set, self.demo_tenant_id,
                         instances=default_instances_quota)
         self.assertRaises(exceptions.OverLimit, self.create_test_server)
-
-
-class QuotasAdminV3TestXML(QuotasAdminV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_servers.py b/tempest/api/compute/v3/admin/test_servers.py
index dec573e..f6f5673 100644
--- a/tempest/api/compute/v3/admin/test_servers.py
+++ b/tempest/api/compute/v3/admin/test_servers.py
@@ -83,6 +83,18 @@
         self.servers_client.wait_for_server_termination(server['id'])
 
     @attr(type='gate')
+    def test_delete_server_while_in_error_state(self):
+        # Delete a server while it's VM state is error
+        resp, server = self.create_test_server(wait_until='ACTIVE')
+        resp, body = self.client.reset_state(server['id'], state='error')
+        self.assertEqual(202, resp.status)
+        # Verify server's state
+        resp, server = self.client.get_server(server['id'])
+        self.assertEqual(server['status'], 'ERROR')
+        resp, _ = self.client.delete_server(server['id'])
+        self.assertEqual('204', resp['status'])
+
+    @attr(type='gate')
     def test_reset_state_server(self):
         # Reset server's state to 'error'
         resp, server = self.client.reset_state(self.s1_id)
@@ -155,7 +167,3 @@
         resp, server = self.non_admin_client.get_server(rebuilt_server['id'])
         rebuilt_image_id = server['image']['id']
         self.assertEqual(self.image_ref_alt, rebuilt_image_id)
-
-
-class ServersAdminV3TestXML(ServersAdminV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_servers_negative.py b/tempest/api/compute/v3/admin/test_servers_negative.py
index fb4b043..a86bdfc 100644
--- a/tempest/api/compute/v3/admin/test_servers_negative.py
+++ b/tempest/api/compute/v3/admin/test_servers_negative.py
@@ -135,7 +135,3 @@
         self.assertRaises(exceptions.Conflict,
                           self.client.migrate_server,
                           server_id)
-
-
-class ServersAdminNegativeV3TestXML(ServersAdminNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_services.py b/tempest/api/compute/v3/admin/test_services.py
index ba32739..9e55e78 100644
--- a/tempest/api/compute/v3/admin/test_services.py
+++ b/tempest/api/compute/v3/admin/test_services.py
@@ -76,7 +76,3 @@
         self.assertEqual(1, len(services))
         self.assertEqual(host_name, services[0]['host'])
         self.assertEqual(binary_name, services[0]['binary'])
-
-
-class ServicesAdminV3TestXML(ServicesAdminV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_services_negative.py b/tempest/api/compute/v3/admin/test_services_negative.py
index 6f583fa..1382347 100644
--- a/tempest/api/compute/v3/admin/test_services_negative.py
+++ b/tempest/api/compute/v3/admin/test_services_negative.py
@@ -64,7 +64,3 @@
         resp, services = self.client.list_services(params)
         self.assertEqual(200, resp.status)
         self.assertEqual(0, len(services))
-
-
-class ServicesAdminNegativeV3TestXML(ServicesAdminNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_simple_tenant_usage.py b/tempest/api/compute/v3/admin/test_simple_tenant_usage.py
index 3a2d2e5..7ee835b 100644
--- a/tempest/api/compute/v3/admin/test_simple_tenant_usage.py
+++ b/tempest/api/compute/v3/admin/test_simple_tenant_usage.py
@@ -83,7 +83,3 @@
 
         self.assertEqual(200, resp.status)
         self.assertEqual(len(tenant_usage), 8)
-
-
-class TenantUsagesV3TestXML(TenantUsagesV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/admin/test_simple_tenant_usage_negative.py b/tempest/api/compute/v3/admin/test_simple_tenant_usage_negative.py
index 58acd07..00068dc 100644
--- a/tempest/api/compute/v3/admin/test_simple_tenant_usage_negative.py
+++ b/tempest/api/compute/v3/admin/test_simple_tenant_usage_negative.py
@@ -71,7 +71,3 @@
                   'detailed': int(bool(True))}
         self.assertRaises(exceptions.Unauthorized,
                           self.client.list_tenant_usages, params)
-
-
-class TenantUsagesNegativeV3TestXML(TenantUsagesNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/certificates/test_certificates.py b/tempest/api/compute/v3/certificates/test_certificates.py
index 4dfa3be..b24f4d8 100644
--- a/tempest/api/compute/v3/certificates/test_certificates.py
+++ b/tempest/api/compute/v3/certificates/test_certificates.py
@@ -32,7 +32,3 @@
         self.assertEqual(200, resp.status)
         self.assertIn('data', body)
         self.assertIn('private_key', body)
-
-
-class CertificatesV3TestXML(CertificatesV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/images/test_image_metadata.py b/tempest/api/compute/v3/images/test_image_metadata.py
index 89a2f75..d0d2daf 100644
--- a/tempest/api/compute/v3/images/test_image_metadata.py
+++ b/tempest/api/compute/v3/images/test_image_metadata.py
@@ -106,7 +106,3 @@
         resp, resp_metadata = self.client.list_image_metadata(self.image_id)
         expected = {'key2': 'value2'}
         self.assertEqual(expected, resp_metadata)
-
-
-class ImagesMetadataTestXML(ImagesMetadataTestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/images/test_image_metadata_negative.py b/tempest/api/compute/v3/images/test_image_metadata_negative.py
index 4878936..6e7cc8f 100644
--- a/tempest/api/compute/v3/images/test_image_metadata_negative.py
+++ b/tempest/api/compute/v3/images/test_image_metadata_negative.py
@@ -73,7 +73,3 @@
         self.assertRaises(exceptions.NotFound,
                           self.client.delete_image_metadata_item,
                           data_utils.rand_uuid(), 'key1')
-
-
-class ImagesMetadataTestXML(ImagesMetadataTestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/images/test_images.py b/tempest/api/compute/v3/images/test_images.py
index ea097ad..52772e0 100644
--- a/tempest/api/compute/v3/images/test_images.py
+++ b/tempest/api/compute/v3/images/test_images.py
@@ -118,7 +118,3 @@
         self.assertRaises(exceptions.NotFound,
                           self.servers_client.create_image,
                           test_uuid, snapshot_name)
-
-
-class ImagesV3TestXML(ImagesV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/images/test_images_oneserver.py b/tempest/api/compute/v3/images/test_images_oneserver.py
index 0cb748b..babf452 100644
--- a/tempest/api/compute/v3/images/test_images_oneserver.py
+++ b/tempest/api/compute/v3/images/test_images_oneserver.py
@@ -130,7 +130,3 @@
         image_id = data_utils.parse_image_id(resp['location'])
         self.addCleanup(self.client.delete_image, image_id)
         self.assertEqual('202', resp['status'])
-
-
-class ImagesOneServerTestXML(ImagesOneServerTestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/images/test_images_oneserver_negative.py b/tempest/api/compute/v3/images/test_images_oneserver_negative.py
index 3f93fbe..dc628dc 100644
--- a/tempest/api/compute/v3/images/test_images_oneserver_negative.py
+++ b/tempest/api/compute/v3/images/test_images_oneserver_negative.py
@@ -154,7 +154,3 @@
         self.image_ids.remove(image_id)
 
         self.assertRaises(exceptions.NotFound, self.client.get_image, image_id)
-
-
-class ImagesOneServerNegativeTestXML(ImagesOneServerNegativeTestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/images/test_list_image_filters.py b/tempest/api/compute/v3/images/test_list_image_filters.py
index c04729c..ad93b3d 100644
--- a/tempest/api/compute/v3/images/test_list_image_filters.py
+++ b/tempest/api/compute/v3/images/test_list_image_filters.py
@@ -223,7 +223,3 @@
     def test_get_nonexistent_image(self):
         # Negative test: GET on non-existent image should fail
         self.assertRaises(exceptions.NotFound, self.client.get_image, 999)
-
-
-class ListImageFiltersTestXML(ListImageFiltersTestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/keypairs/test_keypairs.py b/tempest/api/compute/v3/keypairs/test_keypairs.py
index 3b449f7..4aef8b1 100644
--- a/tempest/api/compute/v3/keypairs/test_keypairs.py
+++ b/tempest/api/compute/v3/keypairs/test_keypairs.py
@@ -116,7 +116,3 @@
         self.assertEqual(key_name, k_name,
                          "The created keypair name is not equal "
                          "to the requested name!")
-
-
-class KeyPairsV3TestXML(KeyPairsV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/keypairs/test_keypairs_negative.py b/tempest/api/compute/v3/keypairs/test_keypairs_negative.py
index be7ee65..87f62b7 100644
--- a/tempest/api/compute/v3/keypairs/test_keypairs_negative.py
+++ b/tempest/api/compute/v3/keypairs/test_keypairs_negative.py
@@ -93,7 +93,3 @@
         k_name = 'key_/.\@:'
         self.assertRaises(exceptions.BadRequest, self._create_keypair,
                           k_name)
-
-
-class KeyPairsNegativeV3TestXML(KeyPairsNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_attach_interfaces.py b/tempest/api/compute/v3/servers/test_attach_interfaces.py
index 8f69c54..aa85424 100644
--- a/tempest/api/compute/v3/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/v3/servers/test_attach_interfaces.py
@@ -119,7 +119,3 @@
 
         _ifs = self._test_delete_interface(server, ifs)
         self.assertEqual(len(ifs) - 1, len(_ifs))
-
-
-class AttachInterfacesV3TestXML(AttachInterfacesV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_attach_volume.py b/tempest/api/compute/v3/servers/test_attach_volume.py
index ff95ca4..2529af9 100644
--- a/tempest/api/compute/v3/servers/test_attach_volume.py
+++ b/tempest/api/compute/v3/servers/test_attach_volume.py
@@ -112,7 +112,3 @@
                                     server['admin_password'])
         partitions = linux_client.get_partitions()
         self.assertNotIn(self.device, partitions)
-
-
-class AttachVolumeV3TestXML(AttachVolumeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_create_server.py b/tempest/api/compute/v3/servers/test_create_server.py
index 7c63865..cb02894 100644
--- a/tempest/api/compute/v3/servers/test_create_server.py
+++ b/tempest/api/compute/v3/servers/test_create_server.py
@@ -222,11 +222,3 @@
             msg = "DiskConfig extension not enabled."
             raise cls.skipException(msg)
         super(ServersV3TestManualDisk, cls).setUpClass()
-
-
-class ServersV3TestXML(ServersV3TestJSON):
-    _interface = 'xml'
-
-
-class ServersWithSpecificFlavorV3TestXML(ServersWithSpecificFlavorV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_instance_actions.py b/tempest/api/compute/v3/servers/test_instance_actions.py
index 0b4b9bf..dd5dd30 100644
--- a/tempest/api/compute/v3/servers/test_instance_actions.py
+++ b/tempest/api/compute/v3/servers/test_instance_actions.py
@@ -61,7 +61,3 @@
         # Get the action details of the provided server with invalid request
         self.assertRaises(exceptions.NotFound, self.client.get_instance_action,
                           self.server_id, '999')
-
-
-class InstanceActionsV3TestXML(InstanceActionsV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_list_server_filters.py b/tempest/api/compute/v3/servers/test_list_server_filters.py
index 99cf8e1..15d6fa2 100644
--- a/tempest/api/compute/v3/servers/test_list_server_filters.py
+++ b/tempest/api/compute/v3/servers/test_list_server_filters.py
@@ -250,7 +250,3 @@
         params = {'limit': 1}
         resp, servers = self.client.list_servers_with_detail(params)
         self.assertEqual(1, len(servers['servers']))
-
-
-class ListServerFiltersV3TestXML(ListServerFiltersV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_list_servers_negative.py b/tempest/api/compute/v3/servers/test_list_servers_negative.py
index 7217148..10d36bf 100644
--- a/tempest/api/compute/v3/servers/test_list_servers_negative.py
+++ b/tempest/api/compute/v3/servers/test_list_servers_negative.py
@@ -162,7 +162,3 @@
                   if srv['id'] in deleted_ids]
         self.assertEqual('200', resp['status'])
         self.assertEqual([], actual)
-
-
-class ListServersNegativeV3TestXML(ListServersNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_multiple_create.py b/tempest/api/compute/v3/servers/test_multiple_create.py
index c7377a6..429a8ba 100644
--- a/tempest/api/compute/v3/servers/test_multiple_create.py
+++ b/tempest/api/compute/v3/servers/test_multiple_create.py
@@ -87,7 +87,3 @@
                                                    return_reservation_id=True)
         self.assertEqual(resp['status'], '202')
         self.assertIn('reservation_id', body)
-
-
-class MultipleCreateV3TestXML(MultipleCreateV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_server_actions.py b/tempest/api/compute/v3/servers/test_server_actions.py
index 32b0433..fdf23f8 100644
--- a/tempest/api/compute/v3/servers/test_server_actions.py
+++ b/tempest/api/compute/v3/servers/test_server_actions.py
@@ -406,7 +406,3 @@
         resp, server = self.servers_client.start(self.server_id)
         self.assertEqual(202, resp.status)
         self.servers_client.wait_for_server_status(self.server_id, 'ACTIVE')
-
-
-class ServerActionsV3TestXML(ServerActionsV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_server_addresses.py b/tempest/api/compute/v3/servers/test_server_addresses.py
index 6ecd28b..bffa7c4 100644
--- a/tempest/api/compute/v3/servers/test_server_addresses.py
+++ b/tempest/api/compute/v3/servers/test_server_addresses.py
@@ -78,7 +78,3 @@
             addr = addr[addr_type]
             for address in addresses[addr_type]:
                 self.assertTrue(any([a for a in addr if a == address]))
-
-
-class ServerAddressesV3TestXML(ServerAddressesV3Test):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_server_metadata.py b/tempest/api/compute/v3/servers/test_server_metadata.py
index 0571f38..1758b0b 100644
--- a/tempest/api/compute/v3/servers/test_server_metadata.py
+++ b/tempest/api/compute/v3/servers/test_server_metadata.py
@@ -209,7 +209,3 @@
         self.assertRaises(exceptions.BadRequest,
                           self.client.set_server_metadata,
                           self.server_id, meta=meta, no_metadata_field=True)
-
-
-class ServerMetadataV3TestXML(ServerMetadataV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_server_rescue.py b/tempest/api/compute/v3/servers/test_server_rescue.py
index 870432b..99e8f68 100644
--- a/tempest/api/compute/v3/servers/test_server_rescue.py
+++ b/tempest/api/compute/v3/servers/test_server_rescue.py
@@ -167,7 +167,3 @@
                           self.servers_client.detach_volume,
                           self.server_id,
                           self.volume_to_detach['id'])
-
-
-class ServerRescueV3TestXML(ServerRescueV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_servers.py b/tempest/api/compute/v3/servers/test_servers.py
index 40ca0f0..c476b78 100644
--- a/tempest/api/compute/v3/servers/test_servers.py
+++ b/tempest/api/compute/v3/servers/test_servers.py
@@ -105,6 +105,24 @@
                          server['os-access-ips:access_ip_v6'])
 
     @test.attr(type='gate')
+    def test_delete_server_while_in_shutoff_state(self):
+        # Delete a server while it's VM state is Shutoff
+        resp, server = self.create_test_server(wait_until='ACTIVE')
+        resp, body = self.client.stop(server['id'])
+        self.client.wait_for_server_status(server['id'], 'SHUTOFF')
+        resp, _ = self.client.delete_server(server['id'])
+        self.assertEqual('204', resp['status'])
+
+    @test.attr(type='gate')
+    def test_delete_server_while_in_pause_state(self):
+        # Delete a server while it's VM state is Pause
+        resp, server = self.create_test_server(wait_until='ACTIVE')
+        resp, body = self.client.pause_server(server['id'])
+        self.client.wait_for_server_status(server['id'], 'PAUSED')
+        resp, _ = self.client.delete_server(server['id'])
+        self.assertEqual('204', resp['status'])
+
+    @test.attr(type='gate')
     def test_delete_server_while_in_building_state(self):
         # Delete a server while it's VM state is Building
         resp, server = self.create_test_server(wait_until='BUILD')
@@ -126,7 +144,3 @@
         self.client.wait_for_server_status(server['id'], 'ACTIVE')
         resp, server = self.client.get_server(server['id'])
         self.assertEqual('2001:2001::3', server['os-access-ips:access_ip_v6'])
-
-
-class ServersV3TestXML(ServersV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/servers/test_servers_negative.py b/tempest/api/compute/v3/servers/test_servers_negative.py
index 29cbc92..e58d33d 100644
--- a/tempest/api/compute/v3/servers/test_servers_negative.py
+++ b/tempest/api/compute/v3/servers/test_servers_negative.py
@@ -428,7 +428,3 @@
         self.assertRaises(exceptions.Conflict,
                           self.client.unshelve_server,
                           self.server_id)
-
-
-class ServersNegativeV3TestXML(ServersNegativeV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/test_extensions.py b/tempest/api/compute/v3/test_extensions.py
index 8a88fca..32f62d5 100644
--- a/tempest/api/compute/v3/test_extensions.py
+++ b/tempest/api/compute/v3/test_extensions.py
@@ -49,7 +49,3 @@
         resp, extension = self.extensions_client.get_extension('servers')
         self.assertEqual(200, resp.status)
         self.assertEqual('servers', extension['alias'])
-
-
-class ExtensionsV3TestXML(ExtensionsV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/test_live_block_migration.py b/tempest/api/compute/v3/test_live_block_migration.py
index 50a5f3c..087bffb 100644
--- a/tempest/api/compute/v3/test_live_block_migration.py
+++ b/tempest/api/compute/v3/test_live_block_migration.py
@@ -162,10 +162,3 @@
             cls.servers_client.delete_server(server_id)
 
         super(LiveBlockMigrationV3TestJSON, cls).tearDownClass()
-
-
-class LiveBlockMigrationV3TestXML(LiveBlockMigrationV3TestJSON):
-    _host_key = (
-        '{http://docs.openstack.org/compute/ext/'
-        'extended_server_attributes/api/v3}host')
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/test_quotas.py b/tempest/api/compute/v3/test_quotas.py
index df25249..1cbfa2b 100644
--- a/tempest/api/compute/v3/test_quotas.py
+++ b/tempest/api/compute/v3/test_quotas.py
@@ -63,7 +63,3 @@
         resp, tenant_quota_set = self.client.get_quota_set(self.tenant_id)
         self.assertEqual(200, resp.status)
         self.assertEqual(defualt_quota_set, tenant_quota_set)
-
-
-class QuotasV3TestXML(QuotasV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/compute/v3/test_version.py b/tempest/api/compute/v3/test_version.py
index 166d161..6fbe794 100644
--- a/tempest/api/compute/v3/test_version.py
+++ b/tempest/api/compute/v3/test_version.py
@@ -28,7 +28,3 @@
         self.assertEqual(200, resp.status)
         self.assertIn("id", version)
         self.assertEqual("v3.0", version["id"])
-
-
-class VersionV3TestXML(VersionV3TestJSON):
-    _interface = 'xml'
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index bfc2287..2a5401f 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -199,8 +199,8 @@
 
     @attr(type='gate')
     def test_list_images_param_status(self):
-        # Test to get all available images
-        params = {"status": "available"}
+        # Test to get all active images
+        params = {"status": "active"}
         self._list_by_param_value_and_assert(params)
 
     @attr(type='gate')
diff --git a/tempest/api/object_storage/test_account_services.py b/tempest/api/object_storage/test_account_services.py
index 68b9222..2a1bf0d 100644
--- a/tempest/api/object_storage/test_account_services.py
+++ b/tempest/api/object_storage/test_account_services.py
@@ -16,6 +16,7 @@
 import random
 
 from tempest.api.object_storage import base
+from tempest.common import custom_matchers
 from tempest.common.utils import data_utils
 from tempest import exceptions
 from tempest.test import attr
@@ -52,6 +53,13 @@
             self.assertIn(container_name, container_names)
 
     @attr(type='smoke')
+    def test_list_extensions(self):
+        resp, extensions = self.account_client.list_extensions()
+
+        self.assertIn(int(resp['status']), HTTP_SUCCESS)
+        self.assertThat(resp, custom_matchers.AreAllWellFormatted())
+
+    @attr(type='smoke')
     def test_list_containers_with_limit(self):
         # list containers one of them, half of them then all of them
         for limit in (1, self.containers_count / 2, self.containers_count):
diff --git a/tempest/clients.py b/tempest/clients.py
index 65b603b..4c40ce0 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -143,6 +143,10 @@
     ObjectClientCustomizedHeader
 from tempest.services.orchestration.json.orchestration_client import \
     OrchestrationClient
+from tempest.services.telemetry.json.telemetry_client import \
+    TelemetryClientJSON
+from tempest.services.telemetry.xml.telemetry_client import \
+    TelemetryClientXML
 from tempest.services.volume.json.admin.volume_hosts_client import \
     VolumeHostsClientJSON
 from tempest.services.volume.json.admin.volume_types_client import \
@@ -256,6 +260,8 @@
             if client_args_v3_auth:
                 self.servers_client_v3_auth = ServersClientXML(
                     *client_args_v3_auth)
+            if CONF.service_available.ceilometer:
+                self.telemetry_client = TelemetryClientXML(*client_args)
 
         elif interface == 'json':
             self.certificates_client = CertificatesClientJSON(*client_args)
@@ -318,6 +324,8 @@
             self.volumes_extension_client = VolumeExtensionClientJSON(
                 *client_args)
             self.hosts_v3_client = HostsV3ClientJSON(*client_args)
+            if CONF.service_available.ceilometer:
+                self.telemetry_client = TelemetryClientJSON(*client_args)
 
             if client_args_v3_auth:
                 self.servers_client_v3_auth = ServersClientJSON(
diff --git a/tempest/common/rest_client.py b/tempest/common/rest_client.py
index 3efc710..81ebd4b 100644
--- a/tempest/common/rest_client.py
+++ b/tempest/common/rest_client.py
@@ -456,18 +456,17 @@
         if resp.status < 400:
             return
 
-        JSON_ENC = ['application/json; charset=UTF-8', 'application/json',
-                    'application/json; charset=utf-8']
+        JSON_ENC = ['application/json', 'application/json; charset=utf-8']
         # NOTE(mtreinish): This is for compatibility with Glance and swift
         # APIs. These are the return content types that Glance api v1
         # (and occasionally swift) are using.
-        TXT_ENC = ['text/plain', 'text/plain; charset=UTF-8',
-                   'text/html; charset=UTF-8', 'text/plain; charset=utf-8']
-        XML_ENC = ['application/xml', 'application/xml; charset=UTF-8']
+        TXT_ENC = ['text/plain', 'text/html', 'text/html; charset=utf-8',
+                   'text/plain; charset=utf-8']
+        XML_ENC = ['application/xml', 'application/xml; charset=utf-8']
 
-        if ctype in JSON_ENC or ctype in XML_ENC:
+        if ctype.lower() in JSON_ENC or ctype.lower() in XML_ENC:
             parse_resp = True
-        elif ctype in TXT_ENC:
+        elif ctype.lower() in TXT_ENC:
             parse_resp = False
         else:
             raise exceptions.RestClientException(str(resp.status))
diff --git a/tempest/services/object_storage/account_client.py b/tempest/services/object_storage/account_client.py
index e796f9b..a6f47b7 100644
--- a/tempest/services/object_storage/account_client.py
+++ b/tempest/services/object_storage/account_client.py
@@ -33,9 +33,7 @@
         HEAD on the storage URL
         Returns all account metadata headers
         """
-
-        headers = {"X-Storage-Token": self.token}
-        resp, body = self.head('', headers=headers)
+        resp, body = self.head('')
         return resp, body
 
     def create_account_metadata(self, metadata,
@@ -54,7 +52,7 @@
         Deletes an account metadata entry.
         """
 
-        headers = {"X-Storage-Token": self.token}
+        headers = {}
         for item in metadata:
             headers[metadata_prefix + item] = 'x'
         resp, body = self.post('', headers=headers, body=None)
@@ -63,8 +61,8 @@
     def list_account_containers(self, params=None):
         """
         GET on the (base) storage URL
-        Given the X-Storage-URL and a valid X-Auth-Token, returns
-        a list of all containers for the account.
+        Given valid X-Auth-Token, returns a list of all containers for the
+        account.
 
         Optional Arguments:
         limit=[integer value N]
@@ -93,6 +91,14 @@
         body = json.loads(body)
         return resp, body
 
+    def list_extensions(self):
+        _base_url = self.base_url
+        self.base_url = "/".join(self.base_url.split("/")[:-2])
+        resp, body = self.get('info')
+        self.base_url = _base_url
+        body = json.loads(body)
+        return resp, body
+
 
 class AccountClientCustomizedHeader(RestClient):
 
@@ -127,8 +133,8 @@
     def list_account_containers(self, params=None, metadata=None):
         """
         GET on the (base) storage URL
-        Given the X-Storage-URL and a valid X-Auth-Token, returns
-        a list of all containers for the account.
+        Given a valid X-Auth-Token, returns a list of all containers for the
+        account.
 
         Optional Arguments:
         limit=[integer value N]
diff --git a/tempest/services/object_storage/container_client.py b/tempest/services/object_storage/container_client.py
index 15185bc..cbd07bf 100644
--- a/tempest/services/object_storage/container_client.py
+++ b/tempest/services/object_storage/container_client.py
@@ -82,8 +82,7 @@
         Retrieves container metadata headers
         """
         url = str(container_name)
-        headers = {"X-Storage-Token": self.token}
-        resp, body = self.head(url, headers=headers)
+        resp, body = self.head(url)
         return resp, body
 
     def list_all_container_objects(self, container, params=None):
diff --git a/tempest/services/telemetry/__init__.py b/tempest/services/telemetry/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/services/telemetry/__init__.py
diff --git a/tempest/services/telemetry/json/__init__.py b/tempest/services/telemetry/json/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/services/telemetry/json/__init__.py
diff --git a/tempest/services/telemetry/json/telemetry_client.py b/tempest/services/telemetry/json/telemetry_client.py
new file mode 100644
index 0000000..8d46bf3
--- /dev/null
+++ b/tempest/services/telemetry/json/telemetry_client.py
@@ -0,0 +1,52 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2014 OpenStack Foundation
+# 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.common.rest_client import RestClient
+from tempest.openstack.common import jsonutils as json
+import tempest.services.telemetry.telemetry_client_base as client
+
+
+class TelemetryClientJSON(client.TelemetryClientBase):
+
+    def get_rest_client(self, config, username,
+                        password, auth_url, tenant_name=None):
+        return RestClient(config, username, password, auth_url, tenant_name)
+
+    def deserialize(self, body):
+        return json.loads(body.replace("\n", ""))
+
+    def serialize(self, body):
+        return json.dumps(body)
+
+    def create_alarm(self, **kwargs):
+        uri = "%s/alarms" % self.uri_prefix
+        return self.post(uri, kwargs)
+
+    def add_sample(self, sample_list, meter_name, meter_unit, volume,
+                   sample_type, resource_id, **kwargs):
+        sample = {"counter_name": meter_name, "counter_unit": meter_unit,
+                  "counter_volume": volume, "counter_type": sample_type,
+                  "resource_id": resource_id}
+        for key in kwargs:
+            sample[key] = kwargs[key]
+
+        sample_list.append(self.serialize(sample))
+        return sample_list
+
+    def create_sample(self, meter_name, sample_list):
+        uri = "%s/meters/%s" % (self.uri_prefix, meter_name)
+        return self.post(uri, str(sample_list))
diff --git a/tempest/services/telemetry/telemetry_client_base.py b/tempest/services/telemetry/telemetry_client_base.py
new file mode 100644
index 0000000..59127b9
--- /dev/null
+++ b/tempest/services/telemetry/telemetry_client_base.py
@@ -0,0 +1,133 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 OpenStack Foundation
+# 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 abc
+import six
+import urllib
+
+
+@six.add_metaclass(abc.ABCMeta)
+class TelemetryClientBase(object):
+
+    """
+    Tempest REST client for Ceilometer V2 API.
+    Implements the following basic Ceilometer abstractions:
+    resources
+    meters
+    alarms
+    queries
+    statistics
+    """
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        self.rest_client = self.get_rest_client(config, username, password,
+                                                auth_url, tenant_name)
+        self.rest_client.service = \
+            self.rest_client.config.telemetry.catalog_type
+        self.headers = self.rest_client.headers
+        self.version = '2'
+        self.uri_prefix = "v%s" % self.version
+
+    @abc.abstractmethod
+    def get_rest_client(self, config, username, password,
+                        auth_url, tenant_name):
+        """
+        :param config:
+        :param username:
+        :param password:
+        :param auth_url:
+        :param tenant_name:
+        :return: RestClient
+        """
+
+    @abc.abstractmethod
+    def deserialize(self, body):
+        """
+        :param body:
+        :return: Deserialize body
+        """
+
+    @abc.abstractmethod
+    def serialize(self, body):
+        """
+        :param body:
+        :return: Serialize body
+        """
+
+    def post(self, uri, body):
+        body = self.serialize(body)
+        resp, body = self.rest_client.post(uri, body, self.headers)
+        body = self.deserialize(body)
+        return resp, body
+
+    def put(self, uri, body):
+        return self.rest_client.put(uri, body, self.headers)
+
+    def get(self, uri):
+        resp, body = self.rest_client.get(uri)
+        body = self.deserialize(body)
+        return resp, body
+
+    def delete(self, uri):
+        resp, body = self.rest_client.delete(uri)
+        if body:
+            body = self.deserialize(body)
+        return resp, body
+
+    def helper_list(self, uri, query=None, period=None):
+        uri_dict = {}
+        if query:
+            uri_dict = {'q.field': query[0],
+                        'q.op': query[1],
+                        'q.value': query[2]}
+        if period:
+            uri_dict['period'] = period
+        if uri_dict:
+            uri += "?%s" % urllib.urlencode(uri_dict)
+        return self.get(uri)
+
+    def list_resources(self):
+        uri = '%s/resources' % self.uri_prefix
+        return self.get(uri)
+
+    def list_meters(self):
+        uri = '%s/meters' % self.uri_prefix
+        return self.get(uri)
+
+    def list_alarms(self):
+        uri = '%s/alarms' % self.uri_prefix
+        return self.get(uri)
+
+    def list_statistics(self, meter, period=None, query=None):
+        uri = "%s/meters/%s/statistics" % (self.uri_prefix, meter)
+        return self.helper_list(uri, query, period)
+
+    def list_samples(self, meter_id, query=None):
+        uri = '%s/meters/%s' % (self.uri_prefix, meter_id)
+        return self.helper_list(uri, query)
+
+    def get_resource(self, resource_id):
+        uri = '%s/resources/%s' % (self.uri_prefix, resource_id)
+        return self.get(uri)
+
+    def get_alarm(self, alarm_id):
+        uri = '%s/meter/%s' % (self.uri_prefix, alarm_id)
+        return self.get(uri)
+
+    def delete_alarm(self, alarm_id):
+        uri = "%s/alarms/%s" % (self.uri_prefix, alarm_id)
+        return self.delete(uri)
diff --git a/tempest/services/telemetry/xml/__init__.py b/tempest/services/telemetry/xml/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tempest/services/telemetry/xml/__init__.py
diff --git a/tempest/services/telemetry/xml/telemetry_client.py b/tempest/services/telemetry/xml/telemetry_client.py
new file mode 100644
index 0000000..245ccb5
--- /dev/null
+++ b/tempest/services/telemetry/xml/telemetry_client.py
@@ -0,0 +1,42 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2014 OpenStack Foundation
+# 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 lxml import etree
+
+from tempest.common.rest_client import RestClientXML
+from tempest.services.compute.xml.common import Document
+from tempest.services.compute.xml.common import xml_to_json
+import tempest.services.telemetry.telemetry_client_base as client
+
+
+class TelemetryClientXML(client.TelemetryClientBase):
+
+    def get_rest_client(self, config, username,
+                        password, auth_url, tenant_name=None):
+        return RestClientXML(config, username, password, auth_url, tenant_name)
+
+    def _parse_array(self, body):
+        array = []
+        for child in body.getchildren():
+            array.append(xml_to_json(child))
+        return array
+
+    def serialize(self, body):
+        return str(Document(body))
+
+    def deserialize(self, body):
+        return self._parse_array(etree.fromstring(body))
diff --git a/tempest/stress/run_stress.py b/tempest/stress/run_stress.py
index 61fb58f..76320d0 100755
--- a/tempest/stress/run_stress.py
+++ b/tempest/stress/run_stress.py
@@ -19,7 +19,11 @@
 import json
 import sys
 from testtools.testsuite import iterate_tests
-from unittest import loader
+try:
+    from unittest import loader
+except ImportError:
+    # unittest in python 2.6 does not contain loader, so uses unittest2
+    from unittest2 import loader
 
 from tempest.openstack.common import log as logging
 from tempest.stress import driver