test_conflict_resolution: wrap newCacheCookie in a python script
newCacheCookie is no longer publishable since 44d5b22a (Fix errors reported by running test_method_protection on all Business Templates), so wrap it in a TemporaryPythonScript.
newCacheCookie is no longer publishable since 44d5b22a (Fix errors reported by running test_method_protection on all Business Templates), so wrap it in a TemporaryPythonScript.