@Test
  @Transactional
  @Rollback(true)
  public void testGetWidgetInstanceListForCanvas() throws Exception {

    List<DefaultWidgetInstance> widgetInstanceList =
        uIService.getWidgetInstanceListForCanvas(3l, JACK_USERNAME);
    for (DefaultWidgetInstance widgetInstance : widgetInstanceList) {

      Map<String, Map<Permission, Boolean>> actionConfigMap =
          widgetInstance.getWidget().getActionConfig().getActionConfig();

      Assert.notNull(actionConfigMap);
    }
    Assert.notNull(widgetInstanceList);
  }