private function buildPersonalSkillsGUI($usrId, $selectedSkillProfileId)
 {
     $availableSkills = $this->skillEvaluation->getUniqueAssignedSkillsForPersonalSkillGUI();
     $reachedSkillLevels = $this->skillEvaluation->getReachedSkillLevelsForPersonalSkillGUI();
     $gui = new ilTestPersonalSkillsGUI($this->lng, $this->getObjectId());
     $gui->setAvailableSkills($availableSkills);
     $gui->setSelectedSkillProfile($selectedSkillProfileId);
     $gui->setReachedSkillLevels($reachedSkillLevels);
     $gui->setUsrId($usrId);
     return $gui;
 }