static String getChecklistCompletionState(StatsSingleNote infos) {
    int percentage = Math.round(
        (float) infos.getChecklistCompletedItemsNumber() / infos.getChecklistItemsNumber() * 100);
    return infos.getChecklistCompletedItemsNumber() + " (" + percentage + "%)";
  }
@Test
  public void getChecklistCompletionState() {
    StatsSingleNote infos = new StatsSingleNote();
    infos.setChecklistItemsNumber(42);
    infos.setChecklistCompletedItemsNumber(12);

    String completionState = NoteInfosActivity.getChecklistCompletionState(infos);

    assertTrue(completionState.contains(infos.getChecklistCompletedItemsNumber() + ""));
    assertTrue(completionState.contains("29%"));
  }