diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index be218da34..13a4d8438 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -1484,7 +1484,6 @@ class CoroutineTests(unittest.TestCase):
         self.assertIs(foo(), coro)
         self.assertIs(foo().__await__(), coro)
 
-    @unittest.skip("TODO: RUSTPYTHON, unittest.mock")
     def test_duck_gen(self):
         class GenLike:
             def send(self): pass