Use of getParentValue instead of .aq_parent

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12073 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/tests/testPreferences.py

@@ -241,7 +241,7 @@ class TestPreferences(ERP5TypeTestCase):
     # standards attributes must not be looked up on Preferences
     self.assertNotEquals(pref_tool.getTitleOrId(), group.getTitleOrId())
     self.assertNotEquals(pref_tool.objectValues(), group.objectValues())
-    self.assertNotEquals(pref_tool.aq_parent, group.aq_parent)
+    self.assertNotEquals(pref_tool.getParentValue(), group.getParentValue())
     try :
       pref_tool.getPreferredNotExistingPreference()
       self.fail('Attribute error should be raised for dummy methods')