diff --git a/force_bdss/ui_hooks/tests/test_base_ui_hooks_factory.py b/force_bdss/ui_hooks/tests/test_base_ui_hooks_factory.py
index b50dfda1a24ef39e5afeab86c2b006c402cb2b9a..449fc91ee057c4a2bd522e0bed73a44c89c22358 100644
--- a/force_bdss/ui_hooks/tests/test_base_ui_hooks_factory.py
+++ b/force_bdss/ui_hooks/tests/test_base_ui_hooks_factory.py
@@ -9,8 +9,13 @@ from envisage.api import Plugin
 from ..base_ui_hooks_factory import BaseUIHooksFactory
 
 
+class NullUIHooksFactory(BaseUIHooksFactory):
+    def create_ui_hooks_manager(self):
+        return None
+
+
 class TestBaseUIHooksFactory(unittest.TestCase):
     def test_initialize(self):
         mock_plugin = mock.Mock(spec=Plugin)
-        factory = BaseUIHooksFactory(plugin=mock_plugin)
+        factory = NullUIHooksFactory(plugin=mock_plugin)
         self.assertEqual(factory.plugin, mock_plugin)