PHPHtmlParser\StaticDom::unload PHP Метод

    public static function unload()
    {
        self::$dom = null;
    }

 public function testMountWithDom()
 {
     $dom = new PHPHtmlParser\Dom();
     StaticDom::unload();
     $status = StaticDom::mount('newDom', $dom);
     $this->assertTrue($status);
 }