diff --git a/tempest/api/network/admin/test_routers_dvr.py b/tempest/api/network/admin/test_routers_dvr.py
index 66feba8..aaac921 100644
--- a/tempest/api/network/admin/test_routers_dvr.py
+++ b/tempest/api/network/admin/test_routers_dvr.py
@@ -98,15 +98,22 @@
         attribute will be set to True
         """
         name = data_utils.rand_name('router')
+        tenant_id = self.routers_client.tenant_id
         # router needs to be in admin state down in order to be upgraded to DVR
         # l3ha routers are not upgradable to dvr, make it explicitly non ha
         router = self.admin_routers_client.create_router(name=name,
                                                          distributed=False,
                                                          admin_state_up=False,
-                                                         ha=False)
+                                                         ha=False,
+                                                         tenant_id=tenant_id)
+        router_id = router['router']['id']
         self.addCleanup(self.admin_routers_client.delete_router,
-                        router['router']['id'])
+                        router_id)
         self.assertFalse(router['router']['distributed'])
         router = self.admin_routers_client.update_router(
-            router['router']['id'], distributed=True)
+            router_id, distributed=True)
         self.assertTrue(router['router']['distributed'])
+        show_body = self.admin_routers_client.show_router(router_id)
+        self.assertTrue(show_body['router']['distributed'])
+        show_body = self.routers_client.show_router(router_id)
+        self.assertNotIn('distributed', show_body['router'])
diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index de2e71f..ed6a302 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -390,35 +390,3 @@
 
 class RoutersIpV6Test(RoutersTest):
     _ip_version = 6
-
-
-class DvrRoutersTest(base.BaseRouterTest):
-
-    @classmethod
-    def skip_checks(cls):
-        super(DvrRoutersTest, cls).skip_checks()
-        if not test.is_extension_enabled('dvr', 'network'):
-            msg = "DVR extension not enabled."
-            raise cls.skipException(msg)
-
-    @test.idempotent_id('141297aa-3424-455d-aa8d-f2d95731e00a')
-    def test_create_distributed_router(self):
-        name = data_utils.rand_name('router')
-        create_body = self.admin_routers_client.create_router(
-            name=name, distributed=True)
-        self.addCleanup(self._delete_router,
-                        create_body['router']['id'],
-                        self.admin_routers_client)
-        self.assertTrue(create_body['router']['distributed'])
-
-    @test.idempotent_id('644d7a4a-01a1-4b68-bb8d-0c0042cb1729')
-    def test_convert_centralized_router(self):
-        router = self._create_router()
-        self.assertNotIn('distributed', router)
-        update_body = self.admin_routers_client.update_router(router['id'],
-                                                              distributed=True)
-        self.assertTrue(update_body['router']['distributed'])
-        show_body = self.admin_routers_client.show_router(router['id'])
-        self.assertTrue(show_body['router']['distributed'])
-        show_body = self.routers_client.show_router(router['id'])
-        self.assertNotIn('distributed', show_body['router'])
diff --git a/tempest/api/object_storage/test_account_bulk.py b/tempest/api/object_storage/test_account_bulk.py
index 7292ee9..a75ed98 100644
--- a/tempest/api/object_storage/test_account_bulk.py
+++ b/tempest/api/object_storage/test_account_bulk.py
@@ -66,7 +66,7 @@
         self.assertNotIn(container_name, body)
 
     @test.idempotent_id('a407de51-1983-47cc-9f14-47c2b059413c')
-    @test.requires_ext(extension='bulk', service='object')
+    @test.requires_ext(extension='bulk_upload', service='object')
     def test_extract_archive(self):
         # Test bulk operation of file upload with an archived file
         filepath, container_name, object_name = self._create_archive()
@@ -102,7 +102,7 @@
         self.assertIn(object_name, [c['name'] for c in contents_list])
 
     @test.idempotent_id('c075e682-0d2a-43b2-808d-4116200d736d')
-    @test.requires_ext(extension='bulk', service='object')
+    @test.requires_ext(extension='bulk_delete', service='object')
     def test_bulk_delete(self):
         # Test bulk operation of deleting multiple files
         filepath, container_name, object_name = self._create_archive()
@@ -129,7 +129,7 @@
         self._check_contents_deleted(container_name)
 
     @test.idempotent_id('dbea2bcb-efbb-4674-ac8a-a5a0e33d1d79')
-    @test.requires_ext(extension='bulk', service='object')
+    @test.requires_ext(extension='bulk_delete', service='object')
     def test_bulk_delete_by_POST(self):
         # Test bulk operation of deleting multiple files
         filepath, container_name, object_name = self._create_archive()
diff --git a/tempest/scenario/test_network_advanced_server_ops.py b/tempest/scenario/test_network_advanced_server_ops.py
index 60b030d..0605902 100644
--- a/tempest/scenario/test_network_advanced_server_ops.py
+++ b/tempest/scenario/test_network_advanced_server_ops.py
@@ -35,6 +35,12 @@
     """
 
     @classmethod
+    def setup_clients(cls):
+        super(TestNetworkAdvancedServerOps, cls).setup_clients()
+        cls.admin_servers_client = cls.os_adm.servers_client
+        cls.admin_hosts_client = cls.os_adm.hosts_client
+
+    @classmethod
     def skip_checks(cls):
         super(TestNetworkAdvancedServerOps, cls).skip_checks()
         if not (CONF.network.project_networks_reachable
@@ -94,6 +100,10 @@
                                        'ACTIVE')
         self._check_network_connectivity(server, keypair, floating_ip)
 
+    def _get_host_for_server(self, server_id):
+        body = self.admin_servers_client.show_server(server_id)['server']
+        return body['OS-EXT-SRV-ATTR:host']
+
     @test.idempotent_id('61f1aa9a-1573-410e-9054-afa557cab021')
     @test.services('compute', 'network')
     def test_server_connectivity_stop_start(self):
@@ -184,3 +194,29 @@
         self.servers_client.confirm_resize_server(server['id'])
         self._wait_server_status_and_check_network_connectivity(
             server, keypair, floating_ip)
+
+    @test.idempotent_id('a4858f6c-401e-4155-9a49-d5cd053d1a2f')
+    @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration,
+                          'Cold migration is not available.')
+    @test.services('compute', 'network')
+    def test_server_connectivity_cold_migration(self):
+        if CONF.compute.min_compute_nodes < 2:
+            msg = "Less than 2 compute nodes, skipping multinode tests."
+            raise self.skipException(msg)
+
+        keypair = self.create_keypair()
+        server = self._setup_server(keypair)
+        floating_ip = self._setup_network(server, keypair)
+        src_host = self._get_host_for_server(server['id'])
+        self._wait_server_status_and_check_network_connectivity(
+            server, keypair, floating_ip)
+
+        self.admin_servers_client.migrate_server(server['id'])
+        waiters.wait_for_server_status(self.servers_client, server['id'],
+                                       'VERIFY_RESIZE')
+        self.servers_client.confirm_resize_server(server['id'])
+        self._wait_server_status_and_check_network_connectivity(
+            server, keypair, floating_ip)
+        dst_host = self._get_host_for_server(server['id'])
+
+        self.assertNotEqual(src_host, dst_host)