diff --git a/tests/helpers/test_service.py b/tests/helpers/test_service.py
index d41b55c0b48..7348e1bf3e2 100644
--- a/tests/helpers/test_service.py
+++ b/tests/helpers/test_service.py
@@ -759,6 +759,7 @@ async def test_async_get_all_descriptions_dynamically_created_services(
         "description": "",
         "fields": {},
         "name": "",
+        "response": {"optional": True},
     }