public function testToStringReturnsEncodedQueryString()
 {
     $queryString = 'oauth_token=jZaee4GF52O3lUb9';
     $token = new Zend_Oauth_Token_AuthorizedRequest();
     $token->setToken('jZaee4GF52O3lUb9');
     $this->assertEquals($queryString, $token->toString());
 }