diff --git a/patrole_tempest_plugin/tests/api/network/rbac_base.py b/patrole_tempest_plugin/tests/api/network/rbac_base.py
index 6c57a0c..9d3e28b 100644
--- a/patrole_tempest_plugin/tests/api/network/rbac_base.py
+++ b/patrole_tempest_plugin/tests/api/network/rbac_base.py
@@ -40,6 +40,15 @@
     """
 
     @classmethod
+    def get_auth_providers(cls):
+        """Register auth_provider from neutron-tempest-plugin.
+        """
+        providers = super(BaseNetworkPluginRbacTest, cls).get_auth_providers()
+        if cls.is_neutron_tempest_plugin_avaliable():
+            providers.append(cls.ntp_client.auth_provider)
+        return providers
+
+    @classmethod
     def skip_checks(cls):
         super(BaseNetworkPluginRbacTest, cls).skip_checks()
 
diff --git a/patrole_tempest_plugin/tests/unit/fixtures.py b/patrole_tempest_plugin/tests/unit/fixtures.py
index 4e3387e..1c47985 100644
--- a/patrole_tempest_plugin/tests/unit/fixtures.py
+++ b/patrole_tempest_plugin/tests/unit/fixtures.py
@@ -77,7 +77,9 @@
         }
         self.mock_test_obj = mock.Mock(
             __name__='patrole_unit_test', spec=test.BaseTestCase,
-            os_primary=mock.Mock(), **test_obj_kwargs)
+            os_primary=mock.Mock(),
+            get_auth_providers=mock.Mock(return_value=[mock.Mock()]),
+            **test_obj_kwargs)
 
         # Mock out functionality that can't be used by unit tests. Mocking out
         # time.sleep is a test optimization.
diff --git a/patrole_tempest_plugin/tests/unit/test_rbac_utils.py b/patrole_tempest_plugin/tests/unit/test_rbac_utils.py
index 4937318..c5264aa 100644
--- a/patrole_tempest_plugin/tests/unit/test_rbac_utils.py
+++ b/patrole_tempest_plugin/tests/unit/test_rbac_utils.py
@@ -57,9 +57,9 @@
 
         roles_client.create_user_role_on_project.assert_called_once_with(
             self.rbac_utils.PROJECT_ID, self.rbac_utils.USER_ID, 'admin_id')
-        mock_test_obj.os_primary.auth_provider.clear_auth\
+        mock_test_obj.get_auth_providers()[0].clear_auth\
             .assert_called_once_with()
-        mock_test_obj.os_primary.auth_provider.set_auth\
+        mock_test_obj.get_auth_providers()[0].set_auth\
             .assert_called_once_with()
         mock_time.sleep.assert_called_once_with(1)
 
@@ -86,9 +86,9 @@
             mock.call(self.rbac_utils.PROJECT_ID, self.rbac_utils.USER_ID,
                       'member_id')
         ])
-        mock_test_obj.os_primary.auth_provider.clear_auth.assert_has_calls(
+        mock_test_obj.get_auth_providers()[0].clear_auth.assert_has_calls(
             [mock.call()] * 2)
-        mock_test_obj.os_primary.auth_provider.set_auth.assert_has_calls(
+        mock_test_obj.get_auth_providers()[0].set_auth.assert_has_calls(
             [mock.call()] * 2)
         mock_time.sleep.assert_has_calls([mock.call(1)] * 2)
 
@@ -120,9 +120,9 @@
             mock.call(self.rbac_utils.PROJECT_ID, self.rbac_utils.USER_ID,
                       'admin_id')
         ])
-        mock_test_obj.os_primary.auth_provider.clear_auth.assert_has_calls(
+        mock_test_obj.get_auth_providers()[0].clear_auth.assert_has_calls(
             [mock.call()] * 3)
-        mock_test_obj.os_primary.auth_provider.set_auth.assert_has_calls(
+        mock_test_obj.get_auth_providers()[0].set_auth.assert_has_calls(
             [mock.call()] * 3)
         mock_time.sleep.assert_has_calls([mock.call(1)] * 3)