gh-112155: Run typing.py doctests as part of test_typing (#112156)

Author: sobolevn

Lib/test/test_typing.py

@@ -9464,5 +9464,11 @@ def test_is_not_instance_of_iterable(self):
             self.assertNotIsInstance(type_to_test, collections.abc.Iterable)
 
 
+def load_tests(loader, tests, pattern):
+    import doctest
+    tests.addTests(doctest.DocTestSuite(typing))
+    return tests
+
+
 if __name__ == '__main__':
     main()

Lib/typing.py

@@ -3404,8 +3404,8 @@ def get_protocol_members(tp: type, /) -> frozenset[str]:
         >>> class P(Protocol):
         ...     def a(self) -> str: ...
         ...     b: int
-        >>> get_protocol_members(P)
-        frozenset({'a', 'b'})
+        >>> get_protocol_members(P) == frozenset({'a', 'b'})
+        True
 
     Raise a TypeError for arguments that are not Protocols.
     """