@Test
public void testCalendarToXSDDateString() {

	Calendar cal = createCalendar(1984, Calendar.MARCH, 22, 23, 59, 1, 0, "Z");
	cal.setTimeZone(TimeZone.getTimeZone("Z")) ;
	assertEquals("1984-03-22+00:00", DateTimeUtils.calendarToXSDDateString(cal));
	cal.setTimeZone(TimeZone.getTimeZone("MST"));
	assertEquals("1984-03-22-07:00", DateTimeUtils.calendarToXSDDateString(cal));
}