public void MvcExceptionFilterNoopIfCustomErrorsIsFalse() { using (var exceptionModule = new ExceptionTrackingTelemetryModule()) { exceptionModule.Initialize(this.configuration); var mvcExceptionFilters = GlobalFilters.Filters; Assert.AreEqual(1, mvcExceptionFilters.Count); var handleExceptionFilter = (HandleErrorAttribute)mvcExceptionFilters.Single().Instance; Assert.IsNotNull(handleExceptionFilter); var exception = new Exception("test"); var controllerCtx = HttpModuleHelper.GetFakeControllerContext(isCustomErrorEnabled: false); handleExceptionFilter.OnException(new ExceptionContext(controllerCtx, exception)); Assert.IsFalse(this.sentTelemetry.Any()); } }