YouConf.Controllers.ConferenceController.Create C# (CSharp) Метод

        public ActionResult Create()
        {
            var model = new Conference()
            {
                StartDate = DateTime.UtcNow,
                EndDate = DateTime.UtcNow.AddDays(1)
            };
            return View(model);
        }

        public void Create_WithAlreadyUsedHashTag_Should_ReturnViewAndAddModelError()
        {
            _context.Conferences.Add(new Conference() { HashTag = "abcde", Name = "test", Abstract = "test", StartDate = DateTime.Now, EndDate = DateTime.Now, TimeZoneId = "test", AvailableToPublic = false });
            _context.SaveChangesWithErrors();

            var conferenceController = new ConferenceController(_context);

            var newConference = new Conference() { HashTag = "abcde" };
            var result = conferenceController.Create(newConference)
                .As<ViewResult>();

            result.ViewData.ModelState["HashTag"]
                .Errors
                .Count
                .Should()
                .Be(1);
        }