public async Task GivenValidRequest_SendMessage() { var client = await _factory.GetAuthenticatedClientAsync(); // init DB for test var context = _factory.InitializeDbForTests(); var receiverUserId = Guid.Parse("9c7ff9c5-90bd-4207-9dff-01da2ceece21"); MessageDto newMessage = new MessageDto() { AttachFiles = null, ConversationId = new Guid("b73477a4-f61d-46fa-873c-7d71c01dfbd2"), Date = DateTime.UtcNow, IsPin = false, Message = "ABC123456", Type = "received" }; var connection = new HubConnectionBuilder().WithUrl("http://localhost/chathub" , options => { options.HttpMessageHandlerFactory = _ => _factory.Server.CreateHandler(); options.AccessTokenProvider = () => _factory.GetAccessTokenByUserAsync("testuser", "testuser"); } ) .Build(); await connection.StartAsync(); var connection1 = new HubConnectionBuilder().WithUrl("http://localhost/chathub" , options => { options.HttpMessageHandlerFactory = _ => _factory.Server.CreateHandler(); options.AccessTokenProvider = () => _factory.GetAccessTokenByUserAsync("testuser3", "testuser3"); } ) .Build(); await connection1.StartAsync(); var content = IntegrationTestHelper.GetRequestContent(newMessage); var response = await client.PostAsync($"/api/Messages/SendMessageToUser/{receiverUserId}", content); response.EnsureSuccessStatusCode(); // release DB _factory.DisposeDbForTests(context); }