private function buildEvaluationToolbarGUI($usrId, $selectedSkillProfileId)
 {
     $availableSkillProfiles = $this->skillEvaluation->getAssignedSkillMatchingSkillProfiles($usrId);
     $noSkillProfileOptionEnabled = $this->skillEvaluation->noProfileMatchingAssignedSkillExists($usrId, $availableSkillProfiles);
     $gui = new ilTestSkillEvaluationToolbarGUI($this->ctrl, $this->lng, $this, self::CMD_SHOW);
     $gui->setAvailableSkillProfiles($availableSkillProfiles);
     $gui->setNoSkillProfileOptionEnabled($noSkillProfileOptionEnabled);
     $gui->setSelectedEvaluationMode($selectedSkillProfileId);
     $gui->build();
     return $gui;
 }