Include __erp5security-=__ user due simulation

Due simulation alarms some simulation related objects (ie.: Sale Packing Lists) are
owned by __erp5security-=__ user during the functional tests. In this case, this
script also consider those objects "safe" to remove (as the tests uses very strict
search).

bt5/erp5_user_tutorial_ui_test/SkinTemplateItem/portal_skins/erp5_user_tutorial_ui_test/Zuite_checkPortalCatalog.xml

@@ -71,7 +71,7 @@ for result in result_list:\n
     if strict_check_mode and method() != kw[key]:\n
       raise RuntimeError, "One property is not the same that you wanted : you asked \'%s\' and expecting \'%s\' but get \'%s\'" % (key, kw[key], method())\n
   # check that every object are owner by you\n
-  if strict_check_mode and object.Base_getOwnerId() not in [owner_id, functional_test_username]:\n
+  if strict_check_mode and object.Base_getOwnerId() not in [owner_id, functional_test_username, \'__erp5security-=__\']:\n
     raise RuntimeError, "You have try to clean an item who haven\'t you as owner : %s is owned by %s and you are %s" % \\\n
          (object.getTitle(), object.Base_getOwnerId(), owner_id)\n
 \n