protected function visitContentPage($op, $type, $title) {
    $nid = $this->getCore()->getEntityIdByLabel('node', $type, $title);
    $path = [
      'view' => "node/$nid",
      'edit' => "node/$nid/edit",
      'delete' => "node/$nid/delete",
    ];
    $this->visitPath($path[$op]);
  }