public void isNotEqualTo(@Nullable Object unexpected) {
    standardIsNotEqualTo(unexpected);
  }
@SuppressWarnings("TruthSelfEquals")
  @Test
  public void isNotEqualToSameInstanceBadEqualsImplementation() {
    Object o = new ThrowsOnEquals();
    expectFailure.whenTesting().that(o).isNotEqualTo(o);
  }