public void DateUtils_AddDaysToDate1()
        {
            DateTime?date   = new DateTime(TEST_DATE_TIME);
            int?     days   = 1;
            DateTime?result = DateUtils.AddDaysToDate(date, days);

            Assert.IsNotNull(result);
            Assert.AreEqual(true, ((((DateTime)result).Ticks - ((DateTime)date).Ticks) == A_DAY_IN_MS));
        }