diff --git a/tests/common.py b/tests/common.py
index b2fa53d28fb..15498019b16 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -1427,7 +1427,7 @@ ANY = _HA_ANY()
 def raise_contains_mocks(val: Any) -> None:
     """Raise for mocks."""
     if isinstance(val, Mock):
-        raise TypeError
+        raise TypeError(val)
 
     if isinstance(val, dict):
         for dict_value in val.values():