Fixed B010 issue in tests

Author: tisnik

tests/unit/utils/test_responses.py

@@ -61,7 +61,7 @@ def __init__(
         content: Any = None,
     ) -> None:
         # Use setattr to avoid conflict with built-in 'type'
-        setattr(self, "type", item_type)
+        self.type = item_type
         self.role = role
         self.content = content