public void Router_in_general_must_be_able_to_send_their_routees()
{
var router = Sys.ActorOf(new BroadcastPool(5).Props(Props.Create<Echo>()));
router.Tell("hello",TestActor);
ExpectMsg<IActorRef>();
ExpectMsg<IActorRef>();
ExpectMsg<IActorRef>();
ExpectMsg<IActorRef>();
ExpectMsg<IActorRef>();
ExpectNoMsg(TimeSpan.FromSeconds(1));
}