diff --git a/tests/benchmark/scenarios/keystone/test_basic.py b/tests/benchmark/scenarios/keystone/test_basic.py
index 7854b71dfd..013beff6a6 100644
--- a/tests/benchmark/scenarios/keystone/test_basic.py
+++ b/tests/benchmark/scenarios/keystone/test_basic.py
@@ -31,11 +31,10 @@ class KeystoneBasicTestCase(test.TestCase):
         scenario = basic.KeystoneBasic()
         mock_gen_name.return_value = "teeeest"
         scenario._user_create = mock.MagicMock()
-        scenario.create_user(name_length=20, password="tttt",
-                             **{"tenant_id": "id"})
+        scenario.create_user(name_length=20, password="tttt", tenant_id="id")
         scenario._user_create.assert_called_once_with(name_length=20,
                                                       password="tttt",
-                                                      **{"tenant_id": "id"})
+                                                      tenant_id="id")
 
     @mock.patch(KEYSTONE_UTILS + "generate_keystone_name")
     def test_create_delete_user(self, mock_gen_name):
@@ -46,12 +45,11 @@ class KeystoneBasicTestCase(test.TestCase):
         scenario._resource_delete = mock.MagicMock()
         mock_gen_name.return_value = "teeeest"
 
-        scenario.create_delete_user(name_length=30, email="abcd",
-                                    **{"enabled": True})
+        scenario.create_delete_user(name_length=30, email="abcd", enabled=True)
 
         scenario._user_create.assert_called_once_with(name_length=30,
                                                       email="abcd",
-                                                      **{"enabled": True})
+                                                      enabled=True)
         scenario._resource_delete.assert_called_once_with(create_result)
 
     @mock.patch(KEYSTONE_UTILS + "generate_keystone_name")
@@ -59,6 +57,6 @@ class KeystoneBasicTestCase(test.TestCase):
         scenario = basic.KeystoneBasic()
         mock_gen_name.return_value = "teeeest"
         scenario._tenant_create = mock.MagicMock()
-        scenario.create_tenant(name_length=20, **{"enabled": True})
+        scenario.create_tenant(name_length=20, enabled=True)
         scenario._tenant_create.assert_called_once_with(name_length=20,
-                                                        **{"enabled": True})
+                                                        enabled=True)