  @Test
  public void areContentsTheSame_should_returnFalse_when_Not_equals() throws Exception {

    //funny but we can't actually mock equals with any mock lib !
    //SOF: https://stackoverflow.com/q/3007532/693752
    //GIVEN
    DefaultDiffUtilComparator<String> itemComparatorUnderTest = new DefaultDiffUtilComparator<>();

    //WHEN
    final boolean areContentsTheSame = itemComparatorUnderTest.areContentsTheSame("a", "b");

    //THEN
    assertThat(areContentsTheSame, is(false));
  }