protected function getBrowserMock($node, $url)
{
$revert = libxml_use_internal_errors(true);
$dom = new \DOMDocument('1.0', 'UTF-8');
$dom->loadHTML($node);
libxml_use_internal_errors($revert);
$response = $this->getMock('Buzz\\Message\\Response');
$response->expects($this->any())->method('toDomDocument')->will($this->returnValue($dom));
$browser = $this->getMock('Buzz\\Browser');
$browser->expects($this->any())->method('get')->with($url)->will($this->returnValue($response));
return $browser;
}