@Test
  public void testGetCurrentLocale() {
    final Locale locale = new Locale("de");
    when(localizationService.getCurrentLocale()).thenReturn(locale);

    final Locale currentLocale = i18NService.getCurrentLocale();
    assertEquals(
        "Wrong current locale isocode! Should be: '"
            + locale.getLanguage()
            + "' but was: '"
            + currentLocale.getLanguage()
            + "'.",
        locale.getLanguage(),
        currentLocale.getLanguage());

    verify(localizationService, times(1)).getCurrentLocale();
  }