public void EditEndTask() { TaskModel task = new TaskModel() { TaskId = 6007, TaskName = "Wow Good!!", Priority = 1, StartDate = "10-11-2019", EndDate = "10-12-2019", IsCompleted = true, }; IHttpActionResult response = _controller.EditEndTask(task); var contentResult = response as OkNegotiatedContentResult <JObject>; // Assert the result Assert.IsNotNull(contentResult); }