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

            bldr.YearRange(2011, 2017);
            bldr.YearIncrements(2017, 3);
        }
        public void TestIncrementsOfYears()
        {
            CronExpressionBuilder bldr = new CronExpressionBuilder();

            bldr.YearIncrements(2013, 5);

            Assert.AreEqual("* * * ? * * 2013/5", bldr.CronExpression);
        }