public void QuestionFind_returns_next_question_if_is_available()
{
var firstQuestion = new Question { Id = 1, SurveyId = 1 };
var secondQuestion = new Question { Id = 2, SurveyId = 1 };
var questionsRepository = new InMemoryQuestionsRepository();
questionsRepository.Create(firstQuestion);
questionsRepository.Create(secondQuestion);
var nextQuestion = new QuestionFinder(questionsRepository).FindNext(firstQuestion.Id);
Assert.That(nextQuestion, Is.EqualTo(secondQuestion));
}