public void When_ScheduleTellOnce_with_invalid_delay_Then_exception_is_thrown(int invalidTime)
{
IScheduler scheduler = new DedicatedThreadScheduler(Sys);
XAssert.Throws<ArgumentOutOfRangeException>(() =>
scheduler.ScheduleTellOnce(invalidTime, TestActor, "Test", ActorRefs.NoSender)
);
ExpectNoMsg(50);
}