try {
      tester.testEquals(FactoryMethodReturnsNullButNotAnnotated.class);
    } catch (AssertionError expected) {
      return;
    }
    fail("should have failed");
  }

  public void testNoEqualsChecksOnEnum() throws Exception {
    tester.testEquals(OneConstantEnum.class);
    tester.testEquals(NoConstantEnum.class);
    tester.testEquals(TimeUnit.class);
  }