diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index 69b6e51..e0a1d77 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -245,7 +245,6 @@
                 break
         self.servers_client.remove_fixed_ip(server['id'], address=fixed_ip)
 
-    @decorators.skip_because(bug='1607714')
     @decorators.idempotent_id('2f3a0127-95c7-4977-92d2-bc5aec602fb4')
     def test_reassign_port_between_servers(self):
         """Tests the following:
diff --git a/tempest/api/volume/admin/test_multi_backend.py b/tempest/api/volume/admin/test_multi_backend.py
index 2db8010..c0891e4 100644
--- a/tempest/api/volume/admin/test_multi_backend.py
+++ b/tempest/api/volume/admin/test_multi_backend.py
@@ -66,8 +66,7 @@
 
         params = {'name': vol_name, 'volume_type': type_name,
                   'size': CONF.volume.volume_size}
-        cls.volume = cls.admin_volume_client.create_volume(
-            **params)['volume']
+        cls.volume = cls.create_volume(**params)
         if with_prefix:
             cls.volume_id_list_with_prefix.append(cls.volume['id'])
         else:
@@ -76,21 +75,6 @@
         waiters.wait_for_volume_resource_status(cls.admin_volume_client,
                                                 cls.volume['id'], 'available')
 
-    @classmethod
-    def resource_cleanup(cls):
-        # volumes deletion
-        vid_prefix = getattr(cls, 'volume_id_list_with_prefix', [])
-        for volume_id in vid_prefix:
-            cls.admin_volume_client.delete_volume(volume_id)
-            cls.admin_volume_client.wait_for_resource_deletion(volume_id)
-
-        vid_no_pre = getattr(cls, 'volume_id_list_without_prefix', [])
-        for volume_id in vid_no_pre:
-            cls.admin_volume_client.delete_volume(volume_id)
-            cls.admin_volume_client.wait_for_resource_deletion(volume_id)
-
-        super(VolumeMultiBackendTest, cls).resource_cleanup()
-
     @decorators.idempotent_id('c1a41f3f-9dad-493e-9f09-3ff197d477cc')
     def test_backend_name_reporting(self):
         # get volume id which created by type without prefix