@Override
  protected void deleteWordFromStorage(String word) {
    // not going to support deletion of contacts!
  }
@Test
  public void testDeleteWordFromStorageDoesNotHaveEffect() throws Exception {
    mDictionaryUnderTest.deleteWordFromStorage("Menny");
    TestRxSchedulers.drainAllTasks();
    Assert.assertTrue(mDictionaryUnderTest.isValidWord("Menny"));
  }