/**
  * Updates Quiz before updating Exercise. This function is needed when user saves Exercise for Portal
  * @param \_OurBrand_\Quiz\Domain\Model\Quiz $quiz
  * @param array $quizArguments
  */
 public function updateQuizBeforeUpdatingExercise($quiz, $quizArguments)
 {
     $quizArguments['subject'] = $this->subjectRepository->findByIdentifier($quizArguments['subject']);
     $quiz->setPropertiesForPortalQuizWhenEditsTheExercise($quizArguments);
     $this->quizRepository->update($quiz);
 }