fix a missing rename in r42431.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42461 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testXHTML.py

@@ -337,7 +337,7 @@ class TestXHTML(ERP5TypeTestCase):
     error_list = []
     for skin_folder in self.portal.portal_skins.objectValues():
       if skin_folder.isPrincipiaFolderish:
-        for id_ in object_.objectIds():
+        for id_ in skin_folder.objectIds():
           if id_.startswith('Preference_view'):
             addPreferenceView(skin_folder.id, id_)
     for view_id, location_list in preference_view_id_dict.items():