public function testRegistersUserExtension()
 {
     try {
         Zend_Feed_Reader::addPrefixPath('My_FeedReader_Extension', dirname(__FILE__) . '/Reader/_files/My/Extension');
         Zend_Feed_Reader::registerExtension('JungleBooks');
     } catch (Exception $e) {
         $this->fail($e->getMessage());
     }
     $this->assertTrue(Zend_Feed_Reader::isRegistered('JungleBooks'));
 }