public function testAddFormelementDecorator()
{
$this->form->addElement('textarea');
$this->form->addElement('multiselect');
$this->form->addFormelementDecorator('label', 1);
$formelements = $this->form->getFormelements();
$textarea_element = $formelements[1];
$decorators = $textarea_element->formelementdecorators;
$this->assertTrue(is_array($decorators));
$this->assertEqual(1, count($decorators));
$this->assertTrue(isset($decorators['label']));
}