public void isInOrder() {
    isInOrder(Ordering.natural());
  }
@Test
  public void iterableIsInOrderWithComparatorFailure() {
    expectFailureWhenTestingThat(asList("1", "10", "2", "20")).isInOrder(COMPARE_AS_DECIMAL);
    assertFailureKeys("expected to be in order", "but contained", "followed by", "full contents");
    assertFailureValue("but contained", "10");
    assertFailureValue("followed by", "2");
    assertFailureValue("full contents", "[1, 10, 2, 20]");
  }