public static void Setup(TestContext context)
        {
            var options = new DbContextOptionsBuilder <ApplicationDataContext>().UseInMemoryDatabase("BlogApp").Options;

            dataContext        = new ApplicationDataContext(options);
            manageComments     = new ManageComments(dataContext);
            commentsController = new CommentsController(manageComments);

            dataContext.BlogTopics.Add(new BlogTopic {
                Id              = 1,
                Title           = "Test Titile",
                Contents        = "Blog body",
                PublishDateTime = DateTime.Now
            });

            dataContext.SaveChanges();
        }
 public CommentsController(IManageComments manageComments)
 {
     this.manageComments = manageComments;
 }