docs: function aboutSessionRestore_toggleRestoreState(element) {
      var state = this.getRestoreState(element);
  
      widgets.clickTreeCell(this._controller, this.tabList, element.listIndex, 0, {});
      this._controller.sleep(0);
  
      this._controller.assertJS("subject.newState != subject.oldState",
                                {newState : this.getRestoreState(element), oldState : state});
    }