  @Test
  public void testCreateDate() {

    ICalVCardHelper helper = BEANS.get(ICalVCardHelper.class);
    Calendar cal = Calendar.getInstance();
    cal.setTimeZone(TimeZone.getTimeZone("GMT"));
    cal.set(2019, 7, 23, 15, 22, 00); // month is 0 based 8 (august)
    assertEquals("20190823", helper.createDate(cal.getTime()));
  }