@Test
  public void addFirstHandling() {
    Transformers.<MyObject, MyObject, MyObject>addFirst(new MyObject("z"))
        .transform(fromList, toList);

    fromList.add(new MyObject("a"));
    fromList.add(new MyObject("c"));
    fromList.add(new MyObject("b"));

    assertEquals("[z, a, c, b]", toList.toString());
  }