public void TellTest() { Debug.WriteLine($"Start of {nameof(TellTest)}"); var cfg = GetLocaSysConfig(); ActorSystem sysLocal = new AkkaSb.Net.ActorSystem($"{nameof(TellTest)}/local", cfg); ActorSystem sysRemote = new ActorSystem($"{nameof(TellTest)}/remote", GetRemoteSysConfig()); CancellationTokenSource src = new CancellationTokenSource(); var task = Task.Run(() => { sysRemote.Start(src.Token); }); ActorReference actorRef1 = sysLocal.CreateActor <MyActor>(1); actorRef1.Tell("message 1").Wait(); actorRef1.Tell(new TestClass()).Wait(); ActorReference actorRef2 = sysLocal.CreateActor <MyActor>(2); actorRef2.Tell("message 2").Wait(); while (true) { if (receivedMessages.Count == 3) { Assert.IsTrue(receivedMessages.Values.Contains("message 1")); Assert.IsTrue(receivedMessages.Values.Contains("message 2")); Assert.IsTrue(receivedMessages.Values.Contains("UnitTestsProject.SbAkkaTest+TestClass")); src.Cancel(); break; } Thread.Sleep(250); } task.Wait(); Debug.WriteLine($"End of {nameof(TellTest)}"); }