@Test
public void testEndOfWeek() {

    int week = midJune.get(Calendar.WEEK_OF_YEAR);
    CalendarUtils.endOfWeek(midJune);
    assertEquals(week, midJune.get(Calendar.WEEK_OF_YEAR));
    midJune.add(Calendar.MILLISECOND, 1);
    assertEquals(week + 1 , midJune.get(Calendar.WEEK_OF_YEAR));
}