[issue20362] longMessage attribute is ignored in unittest.TestCase.assertRegexpMatches etc

[Ezio Melotti]

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


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keywords: +easy
stage:  -> needs patch
versions: +Python 3.3, Python 3.4, Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20362>
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