/**
* set questions optional
* @param ilTestSequence $seq
*/
protected function setQuestionsOptional(ilTestSequence $seq)
{
// first unset optional on all questions
$seq->clearOptionalQuestions();
foreach ($seq->getQuestionIds() as $qid) {
if (!$this->isInRun($qid)) {
$seq->setQuestionOptional($qid);
}
}
}
