public void GetScoreDistribution_ScoreDistribution_Success()
        {
            var questions = GenerateQuestion(5);

            for (var i = 1; i <= questions.Count; i++)
            {
                GenerateAnswers(questions, 1, i);
            }

            var scoreDistribution = _sut.GetScoreDistributionAsync(_testId).GetAwaiter().GetResult()
                                    .Deserialize <List <double> >();

            Assert.AreEqual(new List <double> {
                0.4, 0.2, 0.2, 0.2
            }, scoreDistribution);
        }