assertErrorMessage(e, "bar [group 1, item 2] must be Object#equals to baz [group 1, item 3]");
      return;
    }
    fail("should failed because transitivity is broken");
  }

  public void testUnequalObjectsInEqualityGroup() {
    EqualsTester tester = new EqualsTester().addEqualityGroup(named("foo"), named("bar"));
    try {
      tester.testEquals();
    } catch (AssertionFailedError e) {