public void AddFeedback_SessionFound_AddsFeedbacktoSession()
{
var feedback = new FeedBackViewModel()
{
id = 1, Score = 4, Description = "testet"
};
_mockSessionRepository.Setup(s => s.GetById(feedback.id)).Returns(_dummyContext.Sessions.First(s => s.SessionId == feedback.id));
var result = Assert.IsType <RedirectToActionResult>(_sessionController.AddFeedback(feedback));
Assert.Equal("Details", result?.ActionName);
Session session = _dummyContext.Sessions.First(s => s.SessionId == feedback.id);
session.Feedback.Any(fb => fb.Description == feedback.Description && fb.Score == feedback.Score);
_mockSessionRepository.Verify(m => m.SaveChanges(), Times.Once);
}