diff --git a/tests/hosting_core/test_rest_channel_service_client_factory.py b/tests/hosting_core/test_rest_channel_service_client_factory.py
index ee0a16e9..a281d6b5 100644
--- a/tests/hosting_core/test_rest_channel_service_client_factory.py
+++ b/tests/hosting_core/test_rest_channel_service_client_factory.py
@@ -173,6 +173,7 @@ async def test_create_connector_client_normal_no_scopes(
         claims_identity = mocker.Mock(spec=ClaimsIdentity)
         service_url = DEFAULTS.service_url
         audience = "https://service.audience/"
+        claims_identity.get_token_scope = mocker.Mock(return_value=[f"{audience}/.default"])
 
         context = mocker.Mock(spec=TurnContext)
         context.activity = activity