anchor.diff:          //Act
           [1..10] |> List.iter (fun i->
                                  System.Threading.Thread.Sleep(1000) |> ignore
  -                               new PingMessage() |> this.ActorSystem.LocateActor(typedefof<PingPongActor<_>>).Tell
  +                               new PingMessage() |> this.ActorSystem.LocateActor<PingPongActor<_>>().Tell
                                  )
           //Assert
           let result = this.AwaitAssert  (fun m->this.ExpectMsg<PingMessageCompleted>() |> ignore),TimeSpan.FromSeconds(20.0) 
  
positive.code:         //Act
          [1..10] |> List.iter (fun i->
                                 System.Threading.Thread.Sleep(1000) |> ignore
                                 new PingMessage() |> this.ActorSystem.LocateActor(typedefof<PingPongActor<_>>).Tell 
                                 )
          //Assert
          let result = this.AwaitAssert  (fun ()->this.Subscriber.ExpectMsg<PongMessage>() |> ignore),TimeSpan.FromSeconds(20.0)
  
negative.code:         //Arrange
          this.ActorSystem.CreateActor<PingCoordinatorActor<AkkaTestBase.BlackHoleActor1, AkkaTestBase.BlackHoleActor2>>()  |> ignore
          //Act
          new PingMessage() |> this.ActorSystem.LocateActor<PingCoordinatorActor<_,_>>().Tell  |> ignore
          //Assert
          let result = this.AwaitAssert  (fun ()->this.ExpectMsg<SorryImStashing>() |> ignore),TimeSpan.FromSeconds(5.0) 
          ()
  