@Test
public void testMinusWeeks()
{

    DateTimeUnit dateTimeUnit = new DateTimeUnit( 1382, 1, 10 );
    DateTimeUnit testDateTimeUnit = calendar.minusWeeks( dateTimeUnit, 2 );
    assertEquals( 1381, testDateTimeUnit.getYear() );
    assertEquals( 12, testDateTimeUnit.getMonth() );
    assertEquals( 25, testDateTimeUnit.getDay() );
}