[test] fix req default value handling in CubicWebTC.view (closes #2544376)
It's no more than the standard ``if rset`` vs. ``if rset is None`` error.
# -*- 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 repository side views, usually for notification"""