Timber\Admin::init PHP Метод

    public static function init()
    {
        $filter = add_filter('plugin_row_meta', array(__CLASS__, 'meta_links'), 10, 2);
        $action = add_action('in_plugin_update_message-timber-library/timber.php', array(__CLASS__, 'in_plugin_update_message'), 10, 2);
        $action = add_action('in_plugin_update_message-timber/timber.php', array(__CLASS__, 'in_plugin_update_message'), 10, 2);
        if ($filter && $action) {
            return true;
        }
    }

 function testAdminInit()
 {
     $admin = Admin::init();
     $this->assertTrue($admin);
 }