[devtools/testlib] Issue a RuntimeError when a generative tests is detected
Otherwise, generative tests *à la logilab-common* in CubicWebTC test cases
would silently not run (at least using logilab.common.pytest runner).
# -*- 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 schema"""