[issue8273] move generally useful test_support functions into the unittest package

[Florent Xicluna]

Florent Xicluna <florent.xicluna at gmail.com> added the comment:

Issue #9754 proposes to implement assertWarns / assertWarnsRegexp

----------
dependencies: +assertWarns and assertWarnsRegexp

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8273>
_______________________________________