stubtest: understand override

Author: hauntsaninja

mypy/stubtest.py

@@ -1330,6 +1330,7 @@ def apply_decorator_to_funcitem(
         if (
             decorator.fullname in ("builtins.staticmethod", "abc.abstractmethod")
             or decorator.fullname in mypy.types.OVERLOAD_NAMES
+            or decorator.fullname in mypy.types.OVERRIDE_DECORATOR_NAMES
             or decorator.fullname in mypy.types.FINAL_DECORATOR_NAMES
         ):
             return func