public void isInOrder() {
    isInOrder(Ordering.natural());
  }
@Test
  public void isInOrderFailure() {
    expectFailureWhenTestingThat(asList(1, 3, 2, 4)).isInOrder();
    assertFailureKeys("expected to be in order", "but contained", "followed by", "full contents");
    assertFailureValue("but contained", "3");
    assertFailureValue("followed by", "2");
    assertFailureValue("full contents", "[1, 3, 2, 4]");
  }