[3.9] bpo-46416: Allow direct invocation of Lib/test/test_typing.py (GH-30641)

Use `__name__`.
(cherry picked from commit 2792d6d)

Co-authored-by: Nikita Sobolev <[email protected]>

Author: sobolevn

Lib/test/test_typing.py

@@ -4310,6 +4310,11 @@ def test_annotated_in_other_types(self):
         X = List[Annotated[T, 5]]
         self.assertEqual(X[int], List[Annotated[int, 5]])
 
+    def test_annotated_mro(self):
+        class X(Annotated[int, (1, 10)]): ...
+        self.assertEqual(X.__mro__, (X, int, object),
+                         "Annotated should be transparent.")
+
 
 class AllTests(BaseTestCase):
     """Tests for __all__."""