diff --git a/tempest/api/object_storage/test_account_services.py b/tempest/api/object_storage/test_account_services.py
index d7c85a2..3bbab11 100644
--- a/tempest/api/object_storage/test_account_services.py
+++ b/tempest/api/object_storage/test_account_services.py
@@ -44,14 +44,13 @@
         for i in range(ord('a'), ord('f') + 1):
             name = data_utils.rand_name(name='%s-' % six.int2byte(i))
             cls.container_client.update_container(name)
+            cls.addClassResourceCleanup(base.delete_containers,
+                                        [name],
+                                        cls.container_client,
+                                        cls.object_client)
             cls.containers.append(name)
         cls.containers_count = len(cls.containers)
 
-    @classmethod
-    def resource_cleanup(cls):
-        cls.delete_containers()
-        super(AccountTest, cls).resource_cleanup()
-
     @decorators.attr(type='smoke')
     @decorators.idempotent_id('3499406a-ae53-4f8c-b43a-133d4dc6fe3f')
     def test_list_containers(self):
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index f0fceb3..638ad9b 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -229,7 +229,7 @@
                     clients.servers_client, server['id'], wait_until)
 
                 # Multiple validatable servers are not supported for now. Their
-                # creation will fail with the condition above (l.58).
+                # creation will fail with the condition above.
                 if CONF.validation.run_validation and validatable:
                     if CONF.validation.connect_method == 'floating':
                         _setup_validation_fip()