source: class DateHelperTest {
  
    @Test
    public void calendarDayToLocalDate() {
  
target:     CalendarDay calendarDay = CalendarDay.from(2016, 10, 15);
      LocalDate expectedLocalDate = LocalDate.of(2016, 11, 15);
      LocalDate actualLocalDate = DateHelper.calendarDayToLocalDate(calendarDay);
      assertEquals(expectedLocalDate, actualLocalDate);
    }
  
  }