return r;
    }

    public static Object good(AnInterface i) {
      return i;
    }

    private GoodSerializableFactory() {}
  }

  public void testSerializableOnReturnValues_bad() throws Exception {
    try {
      tester.forAllPublicStaticMethods(BadSerializableFactory.class).testSerializable();
    } catch (AssertionError expected) {
      return;
    }
    fail();
  }