Xpressengine\Presenter\Html\Tags\Package::load PHP Метод

    public function load()
    {
        /** @var Closure $callback */
        $callback = array_get(self::$packages, $this->name);
        if ($callback === null) {
            throw new PackageNotFoundException(['name' => $this->name]);
        }
        $callback(static::$handler);
        return $this;
    }

 /**
  * testLoadFail
  *
  * @expectedException \Xpressengine\Presenter\Exceptions\PackageNotFoundException
  */
 public function testLoadFail()
 {
     $p = new Package('notregistered');
     $p->load();
 }