slapos_jio: Fix test by following up maintream.

master/bt5/slapos_jio/SkinTemplateItem/portal_skins/slapos_hal_json_style/ERP5Document_getHateoas.py

@@ -15,7 +15,7 @@ url_template_dict = {
                        "{&relative_url,view}",
   "search_template": "%(root_url)s/%(script_id)s?mode=search" + \
                      "{&query,select_list*,limit*}",
-  "new_content_action": "%(root_url)s/%(script_id)s?mode=newContent",
+  "new_content_action": "%(root_isurl)s/%(script_id)s?mode=newContent",
   # XXX View is set by default to empty
   "document_hal": "%(root_url)s/%(script_id)s?mode=traverse" + \
                   "&relative_url=%(relative_url)s",
@@ -279,7 +279,8 @@ portal = context.getPortalObject()
 sql_catalog = portal.portal_catalog.getSQLCatalog()
 
 # Calculate the site root to prevent unexpected browsing
-is_web_mode = (context.REQUEST.get('current_web_section', None) is not None) or context.isWebMode()
+is_web_mode = (context.REQUEST.get('current_web_section', None) is not None) or (hasattr(context, 'isWebMode') and context.isWebMode())
+
 # is_web_mode =  traversed_document.isWebMode()
 if is_web_mode:
   site_root = context.getWebSiteValue()