public function testTokenCastsToEncodedQueryString()
 {
     $queryString = 'oauth_token=jZaee4GF52O3lUb9&foo%20=bar~';
     $token = new Zend_Oauth_Token_AuthorizedRequest();
     $token->setToken('jZaee4GF52O3lUb9');
     $token->setParam('foo ', 'bar~');
     $this->assertEquals($queryString, (string) $token);
 }