@Test public void shouldSumNumbersWithDifferentSizesReverse() {

  ListNode<Integer> n1 = createList(new int[] { 5, 5, 1 });
  ListNode<Integer> n2 = createList(new int[] { 5 });
  int result = sumLists.sumReverse(n1, n2);
  assertEquals(160, result);
}