String simple = "abc";
    Iterable<String> letters = Splitter.fixedLength(3).split(simple);
    assertThat(letters).containsExactly("abc").inOrder();
  }

  public void testFixedLengthSplitSmallerString() {
    String simple = "ab";
    Iterable<String> letters = Splitter.fixedLength(3).split(simple);
    assertThat(letters).containsExactly("ab").inOrder();
  }