[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).
.. _rset_module:
:mod:`cubicweb.rset`
====================
.. automodule:: cubicweb.rset
.. autoclass:: ResultSet
:members: