public async Task TestUpdateStory_NotFound()
        {
            //Arrange
            string          expectedTitle = "LoremIpsum";
            string          userId        = "akash";
            DBStatus        status        = DBStatus.NotFound;
            RequestStoryDTO storyDTO      = new RequestStoryDTO {
                Title = expectedTitle
            };

            storiesService.Setup(x => x.ReplaceStoryAsync(storyDTO, userId)).ReturnsAsync(status);
            storiesController.ControllerContext = httpContext;

            //Act
            var result = await storiesController.UpdateStory(storyDTO) as NotFoundResult;

            //Assert
            Assert.NotNull(result);
            Assert.Equal(404, result.StatusCode);
        }