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);
}
