public void TestMultipleConfigurationsOfDaysOfMonth()
        {
            CronExpressionBuilder bldr = new CronExpressionBuilder();

            bldr.DayOfMonthRange(20, 30);
            bldr.DayOfMonthIncrements(0, 20);
        }
        public void TestRangeOfDaysOfMonth()
        {
            CronExpressionBuilder bldr = new CronExpressionBuilder();

            bldr.DayOfMonthRange(20, 22);

            Assert.AreEqual("* * * 20-22 * ?", bldr.CronExpression);
        }