public void testContainsNow() {
    MutableInterval test = new MutableInterval(TEST_TIME1, TEST_TIME2);

    DateTimeUtils.setCurrentMillisFixed(TEST_TIME1);
    assertEquals(true, test.containsNow());
    DateTimeUtils.setCurrentMillisFixed(TEST_TIME1 - 1);
    assertEquals(false, test.containsNow());
    DateTimeUtils.setCurrentMillisFixed(TEST_TIME1 + (TEST_TIME2 - TEST_TIME1) / 2);
    assertEquals(true, test.containsNow());
    DateTimeUtils.setCurrentMillisFixed(TEST_TIME2);
    assertEquals(false, test.containsNow());
    DateTimeUtils.setCurrentMillisFixed(TEST_TIME2 - 1);
    assertEquals(true, test.containsNow());
  }