public void EveryDayAt0630FromBeforeFrom()
 {
     var from = new DateTime(2015, 10, 5, 6, 40, 0);
     var expected = new DateTime(2016, 1, 1, 6, 30, 0);
     var sut = new Day(new Timestamp(6, 30));
     sut.AddConstraint(new From(new DateTime(2016, 1, 1)));
     Assert.AreEqual(expected, sut.Evaluate(@from));
 }
 internal override OperatorBuilder InternalBuild()
 {
     var dayInWeek = new Day(_time);
     return new OperatorBuilder(
         x =>
             {
                 dayInWeek.AddConstraints(x);
                 return dayInWeek;
             });
 }