public void WeekdayConstructor_DefiningPrivateVariables_ConcatingDate()
        {
            //arrange
            int    month = 07;
            int    day   = 06;
            int    year  = 1993;
            string date  = month + "-" + day + "-" + year;
            //act
            Weekday newWeekday = new Weekday(month, day, year);

            //assert
            Assert.Equal(date, newWeekday.GetDate());
        }