@Test
public void TestContainStartEndTime() {

  assertTrue(groupByFilter.containStartEndTime(8, 9));
  assertFalse(groupByFilter.containStartEndTime(8, 13));
  assertFalse(groupByFilter.containStartEndTime(0, 3));
  assertFalse(groupByFilter.containStartEndTime(0, 9));
  assertFalse(groupByFilter.containStartEndTime(7, 8 + 30 * 24 + 3 + 6 + 1));
  assertFalse(groupByFilter.containStartEndTime(8 + 30 * 24 + 3 + 6 + 1, 8 + 30 * 24 + 3 + 6 + 2));
}