public async Task TakeExamAndAssertResult(
HttpCallHelper httpCallHelper,
int userExamId, bool fail, bool skipSomeQuestions = false)
{
var testResult = await TakeExam(userExamId, fail, skipSomeQuestions);
var userExamDto = await httpCallHelper.EndUserExam(userExamId);
var userExamResult = await httpCallHelper.PostUserExamResult(userExamId);
Assert.True(userExamResult.IsPassed == !fail);
Assert.True(userExamResult.RightAnswerCount == testResult.Item1);
Assert.True(userExamResult.AnsweredQuestionCount == testResult.Item2);
var passed = ((float)userExamResult.RightAnswerCount / (float)userExamResult.QuestionCount * 100) >= userExamDto.Exam.PassPercentage;
Assert.True(passed == userExamResult.IsPassed);
Assert.True(userExamResult.AnsweredQuestionCount == userExamResult.WrongAnswerCount + userExamResult.RightAnswerCount);
Assert.True(userExamResult.QuestionCount >= userExamResult.AnsweredQuestionCount);
Assert.True(userExamResult.QuestionCount == userExamResult.AnsweredQuestionCount + userExamResult.NotAnsweredQuestionCount);
}