public void Doesnt_reschedule_cancelled()
{
_testReceiveActor.Tell(new CancelableMessage(TimeSpan.FromSeconds(1)));
Scheduler.Advance(TimeSpan.FromSeconds(1));
ExpectMsg<CancelableMessage>();
_testReceiveActor.Tell(new CancelMessage());
Scheduler.Advance(TimeSpan.FromSeconds(1));
ExpectNoMsg(TimeSpan.FromMilliseconds(20));
}