[erp5_ui_test] Specify properly sorting order for testing FooModule_listbox

bt5/erp5_ui_test/SkinTemplateItem/portal_skins/erp5_ui_test/ListBox_setPropertyList.py

@@ -18,7 +18,7 @@ d = dict(
   field_all_columns = '',
   field_search_columns = '',
   field_sort_columns = '',
-  field_sort = 'id', # Very important, this allow to test tales expression on listbox_XXX fields
+  field_sort = 'id | DESC', # Very important, this allow to test tales expression on listbox_XXX fields
   field_editable_columns = 'id',
   field_stat_columns = '',
   field_url_columns = '',