1 files changed, 1 insertions, 0 deletions

diff --git a/tests/handlers/test_appservice.py b/tests/handlers/test_appservice.py

index 1daa314f20..f92dc1c89a 100644
--- a/tests/handlers/test_appservice.py
+++ b/tests/handlers/test_appservice.py
@@ -46,6 +46,7 @@ class AppServiceHandlerTestCase(unittest.TestCase):
         ]
 
         self.mock_store.get_app_services = Mock(return_value=services)
+        self.mock_store.get_user_by_id = Mock(return_value=[])
 
         event = Mock(
             sender="@someone:anywhere",