/**
  * Add a menu id to test batch_items array
  *
  * @param array $args 
  * @param array $batch_array 
  * @return array
  */
 protected function ajax_test_send_menu($args, $batch_items)
 {
     $menu_id = esc_attr($args['test_action_send_menu_id']);
     try {
         $menu = new cfd_menu($menu_id);
     } catch (Exception $e) {
         return new cfd_message(array('success' => false, 'type' => 'invalid-menu-id', 'message' => '<div class="error"><p>Invalid Menu ID. Menu ID ' . $menu_id . ' does not exist.</p></div>'));
     }
     $batch_items['menus'][] = $menu->id();
     return $batch_items;
 }