[issue18383] test_warnings modifies warnings.filters when running with "-W default"

[Martin Panter]

Martin Panter added the comment:

New patch with common _add_filters() function, and added resetwarnings() calls to avoid the conflict with pre-defined filters.

----------
Added file: http://bugs.python.org/file43005/issue18383_avoid_dups_4.diff

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18383>
_______________________________________