Fix unexpected success test

kth496 · youknowone · commit 0312c8eb2c3d · 2023-02-20T15:35:15.000+09:00
diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
@@ -582,8 +582,6 @@ def test_ixor(self):
             else:
                 self.assertNotIn(c, self.s)
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def test_inplace_on_self(self):
         t = self.s.copy()
         t |= t
