### Question:
Nonstop implements HolidayCalendar { @Override public int getStartOfDay () { return 0; }  @Override boolean isHoliday(Calendar day); @Override boolean isWorkingHours(Instant time); @Override int getStartOfDay(); @Override int getEndOfDay(); @Override boolean isBeforeWorkingHours(Calendar from); @Override boolean isWeekend(Calendar from);  }### Answer:
@Test public void getStartOfDay () { assertEquals(0,calendar.getStartOfDay()); }