public void Init() { _mockLogClient = new MockLogClient(); Hierarchy hierarchy = (Hierarchy)LogManager.GetRepository(); _appender = new StackifyAppender { CreateLogClient = (s, s1) => _mockLogClient, threadContextKeys = "TestThreadContext", logicalThreadContextKeys = "TestLogicalThreadContext" }; _appender.ActivateOptions(); hierarchy.Root.AddAppender(_appender); hierarchy.Root.Level = Level.Info; hierarchy.Configured = true; Console.WriteLine("Setup Log4Net"); }