public void Advance_to_takes_us_to_correct_time()
{
_testReceiveActor.Tell(new ScheduleOnceMessage(TimeSpan.FromSeconds(1), 1));
_testReceiveActor.Tell(new ScheduleOnceMessage(TimeSpan.FromSeconds(2), 2));
_testReceiveActor.Tell(new ScheduleOnceMessage(TimeSpan.FromSeconds(3), 3));
Scheduler.AdvanceTo(Scheduler.Now.AddSeconds(2));
var firstId = ExpectMsg<ScheduleOnceMessage>().Id;
var secondId = ExpectMsg<ScheduleOnceMessage>().Id;
ExpectNoMsg(TimeSpan.FromMilliseconds(20));
Assert.Equal(1, firstId);
Assert.Equal(2, secondId);
}