public void Setup()
        {
            _quizEngine = new QuizEngineCore();
            _quizEngine.AddUser(UserEmail);

            _multipleChoiceQuestion.Question = "Who are the best heavy metal band?";

            _multipleChoiceQuestion.Options.Add("Black Sabbath");
            _multipleChoiceQuestion.Options.Add("Judas Priest");
            _multipleChoiceQuestion.Options.Add("Metallica");
            _multipleChoiceQuestion.Options.Add("Iron Maiden");

            _multipleChoiceQuestion.CorrectAnswer = "Iron Maiden";

            var quiz = new Quiz {
                Uuid = new UUID {
                    Value = _quizUuid.ToString()
                }
            };

            quiz.Questions.Add(_multipleChoiceQuestion);

            _quizEngine.AddQuiz(quiz);
        }
 public override Task <AddUserReply> AddUser(AddUserRequest request, ServerCallContext context)
 {
     _quizEngine.AddUser(request.Email);
     return(Task.FromResult(new AddUserReply()));
 }