[docs] [issue11298] unittest discovery needs better explanation

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


----------
assignee: docs at python -> ezio.melotti
stage:  -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11298>
_______________________________________