public function testPopulateFromModel()
 {
     $form = new Admin_Form_Document_Institute(Admin_Form_Document_Institute::ROLE_PUBLISHER);
     $doc = new Opus_Document(146);
     $publishers = $doc->getThesisPublisher();
     $publisher = $publishers[0];
     $form->populateFromModel($publisher);
     $this->assertEquals($doc->getId(), $form->getElement('Id')->getValue());
     $this->assertEquals($publisher->getModel()->getId(), $form->getElement('Institute')->getValue());
 }