### Question:
ChaosCalendar implements HolidayCalendar { @Override public int getStartOfDay () { return startOfDay; } ChaosCalendar(String timezoneName, int startOfDay, int endOfDay); @Override boolean isHoliday(Calendar day); @Override ZoneId getTimeZoneId(); @Override int getStartOfDay(); @Override int getEndOfDay(); @Override TimeZone getTimeZone();  }### Answer:
@Test public void getStartOfDay () { assertEquals(startOfDay, chaosCalendar.getStartOfDay()); }