phpQuery::browserGet PHP Method

    public static function browserGet($url, $callback, $param1 = null, $param2 = null, $param3 = null)
    {
        if (self::plugin('WebBrowser')) {
            $params = func_get_args();
            return self::callbackRun(array(self::$plugins, 'browserGet'), $params);
        } else {
            self::debug('WebBrowser plugin not available...');
        }
    }

 /** 
  * Gallery package is installed. Can we :
  * a. Override gallery/view.php in blocks/gallery.php, properly, as well as maintaining autoloaded items?
  * b. Override gallery/view.php in blocks/gallery/view.php. Add new autoload items to /blocks/gallery/ and ensure they are loaded
  * c. Setup a custom template in gallery/templates/custom_gallery_template.php, and maintain autoloaded items?
  * d. Setup a custom template directory at gallery/templates/custom_gallery_template/view.php, and load NEW autoloaded items?
  */
 public function testOverridePackageViewTemplate()
 {
     //assumes /gallery exists
     $p = Page::getByPath('/gallery');
     self::$_this = '';
     self::$_this->path = DIR_REL . '\\/packages\\/gallery/i';
     // a.
     touch(DIR_BASE . '/blocks/gallery.php');
     $blocks = $p->getBlocks('Main');
     $b = $blocks[0];
     $bv = new BlockViewTemplate($b);
     $this->assertEqual($bv->getTemplate(), DIR_BASE . '/blocks/gallery.php', 'Gallery Template Test - Block view override with gallery.php');
     phpQuery::browserGet(BASE_URL . DIR_REL . '/index.php/gallery', array('BlockOverrideTests', '_testGalleryHeaderItems'));
     $this->assertEqual(3, self::$_this->headerItem1Count + self::$_this->headerItem2Count, 'Gallery Header Test - Block view override with gallery.php');
     unlink(DIR_BASE . '/blocks/gallery.php');
     // b
     self::$_this = '';
     self::$_this->path = DIR_REL . '\\/blocks\\/gallery/i';
     mkdir(DIR_BASE . '/blocks/gallery');
     touch(DIR_BASE . '/blocks/gallery/view.php');
     touch(DIR_BASE . '/blocks/gallery/view.css');
     touch(DIR_BASE . '/blocks/gallery/view.js');
     $blocks = $p->getBlocks('Main');
     $b = $blocks[0];
     $bv = new BlockViewTemplate($b);
     $this->assertEqual($bv->getTemplate(), DIR_BASE . '/blocks/gallery/view.php', 'Gallery Template Test - Block view override with gallery/view.php');
     phpQuery::browserGet(BASE_URL . DIR_REL . '/index.php/gallery', array('BlockOverrideTests', '_testGalleryHeaderItems'));
     $this->assertEqual(2, self::$_this->headerItem1Count + self::$_this->headerItem2Count, 'Gallery Header Test - Block view override with gallery/view.php and local view.css, view.js');
     unlink(DIR_BASE . '/blocks/gallery/view.css');
     unlink(DIR_BASE . '/blocks/gallery/view.js');
     unlink(DIR_BASE . '/blocks/gallery/view.php');
     rmdir(DIR_BASE . '/blocks/gallery');
     // c
     self::$_this = '';
     self::$_this->path = DIR_REL . '\\/packages\\/gallery/i';
     mkdir(DIR_BASE . '/blocks/gallery');
     mkdir(DIR_BASE . '/blocks/gallery/templates');
     touch(DIR_BASE . '/blocks/gallery/templates/custom_gallery_template.php');
     $blocks = $p->getBlocks('Main');
     $b = $blocks[0];
     $b->setCustomTemplate('custom_gallery_template.php');
     $p = Page::getByPath('/gallery');
     $blocks = $p->getBlocks('Main');
     $b = $blocks[0];
     $bv = new BlockViewTemplate($b);
     $this->assertEqual($bv->getTemplate(), DIR_BASE . '/blocks/gallery/templates/custom_gallery_template.php', 'Gallery Template Test - Custom Template view override with gallery/templates/custom_gallery_template.php');
     phpQuery::browserGet(BASE_URL . DIR_REL . '/index.php/gallery', array('BlockOverrideTests', '_testGalleryHeaderItems'));
     $this->assertEqual(3, self::$_this->headerItem1Count + self::$_this->headerItem2Count, 'Gallery Header Test - Custom Template view override with gallery/templates/custom_gallery_template.php');
     unlink(DIR_BASE . '/blocks/gallery/templates/custom_gallery_template.php');
     rmdir(DIR_BASE . '/blocks/gallery/templates');
     rmdir(DIR_BASE . '/blocks/gallery');
     $b->setCustomTemplate(false);
 }