Prado\Collections\TAttributeCollection::itemAt PHP Метод

    public function itemAt($key)
    {
        return parent::itemAt($this->_caseSensitive ? $key : strtolower($key));
    }

 public function testAdd()
 {
     $collection = new TAttributeCollection();
     $collection->add('Property', 'value');
     self::assertEquals('value', $collection->itemAt('Property'));
 }