public void SetupTest() { var listener = new ObservableEventListener(); listener.EnableEvents(WebApiTracing.Log, EventLevel.LogAlways, Keywords.All); listener.LogToConsole(); listener.LogToTestInMemorySink(_testResults); _cts = new CancellationTokenSource(); _config.Routes.MapHttpRoute("DefaultApi", "{controller}/{id}", new { id = RouteParameter.Optional }); _config.Services.Replace(typeof(ITraceWriter), new SlabTraceWriter()); var server = new HttpServer(_config); _client = new HttpMessageInvoker(server); }