[test] use assertNotIn where appropriate
Automatically generated with:
find -name unittest_*.py -o -name test_*.py | xargs sed -i -e 's/assertFalse(\([^,]*\) in \([^,]*\))/assertNotIn(\1, \2)/'
plus revert of a couple false matches.
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s specific hooks and operations"""