public Preference<String> getString(@StringRes int prefKey, @StringRes int defaultValue) {
    return getString(mResources.getString(prefKey), defaultValue);
  }
@Test
  public void testConvertQuickKey() {
    SharedPrefsHelper.setPrefsValue(
        "settings_key_ordered_active_quick_text_keys",
        "623e21f5-9200-4c0b-b4c7-9691129d7f1f,1057806d-4f6e-42aa-8dfd-eea57995c2ee");
    SharedPrefsHelper.setPrefsValue(RxSharedPrefs.CONFIGURATION_VERSION, 10);

    SharedPreferences preferences =
        PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
    Assert.assertFalse(preferences.contains("quick_text_1057806d-4f6e-42aa-8dfd-eea57995c2ee"));
    Assert.assertFalse(preferences.contains("quick_text_623e21f5-9200-4c0b-b4c7-9691129d7f1f"));

    new RxSharedPrefs(getApplicationContext(), this::testRestoreFunction);

    Assert.assertTrue(preferences.contains("quick_text_1057806d-4f6e-42aa-8dfd-eea57995c2ee"));
    Assert.assertTrue(preferences.contains("quick_text_623e21f5-9200-4c0b-b4c7-9691129d7f1f"));
    Assert.assertEquals(
        "623e21f5-9200-4c0b-b4c7-9691129d7f1f,1057806d-4f6e-42aa-8dfd-eea57995c2ee",
        preferences.getString("quick_text_AddOnsFactory_order_key", ""));
  }