function mockV2Url($path, $params = null)
 {
     if (!method_exists(Config::getFactory(), 'shouldReceive')) {
         return;
     }
     // mocking in php is pain in the arxx
     if ($params === null) {
         $url = m::mock('Hypercharge\\v2\\Url[getUrl]', array('sandbox', $path));
         $url->shouldReceive('getUrl')->andReturn($this->credentials->gatewayHost . '/v2');
         Config::getFactory()->shouldReceive('createUrl')->with($path)->andReturn($url);
     } else {
         $url = m::mock('Hypercharge\\v2\\Url[getUrl]', array('sandbox', $path, $params));
         $url->shouldReceive('getUrl')->andReturn($this->credentials->gatewayHost . '/v2');
         Config::getFactory()->shouldReceive('createUrl')->with($path, $params)->andReturn($url);
     }
 }