test: don't use six.iteritems() on msg, the only API is .items()

3 jobs for zope4py3 in 0 seconds
Status Job ID Name Coverage
  External
failed ERP5.CodingStyleTest-Zope4Py3

01:20:48

failed ERP5.UnitTest-Zope4Py3

02:55:43

failed ERP5.UnitTest-Zope4Py3-Py2

01:22:04