@Test
public void testSetCalender() {

    final GregorianCalendar calendar = new GregorianCalendar();
    DateUtil.setCalender(calendar, 2, 30, 50, 0);
    Assert.assertEquals(2, calendar.getTime().getHours());
    Assert.assertEquals(30, calendar.getTime().getMinutes());
    Assert.assertEquals(50, calendar.getTime().getSeconds());
}