@Test public void shouldFindLongestConsecutiveSequenceRecursive() {

  int[] array = { 1, 3, 4, 5, 64, 4, 5, 6, 7, 8, 9, 98, -1, -2 };
  int sequenceLength = lcs.findRecursive(array);
  assertEquals(7, sequenceLength);
}