diff --git a/xos/synchronizer/models/test_models.py b/xos/synchronizer/models/test_models.py
index 92a939b..3ede98c 100644
--- a/xos/synchronizer/models/test_models.py
+++ b/xos/synchronizer/models/test_models.py
@@ -31,6 +31,7 @@
         self.models_decl.OLTDevice_decl.delete = Mock()
 
         modules = {
+            'xos': MagicMock(),
             'xos.exceptions': self.xos.exceptions,
             'models_decl': self.models_decl,
         }
@@ -97,6 +98,7 @@
         self.models_decl.ONUDevice_decl.delete = Mock()
 
         modules = {
+            'xos': MagicMock(),
             'xos.exceptions': self.xos.exceptions,
             'models_decl': self.models_decl,
         }