public void TestBlockingReceiveAsyncWithNoTimeout() { var services = new ServiceCollection(); services.AddSingleton <IIntegrationServices, IntegrationServices>(); var provider = services.BuildServiceProvider(); var messageNull = false; var channel = new QueueChannel(provider); var latch = new CountdownEvent(1); var cancellationTokenSource = new CancellationTokenSource(); var task = Task.Run(async() => { var message = await channel.ReceiveAsync(cancellationTokenSource.Token); messageNull = message == null; latch.Signal(); }); cancellationTokenSource.Cancel(); Assert.True(latch.Wait(10000)); Assert.True(messageNull); }