[issue14135] check for locale changes in test.support

[Brett Cannon]

New submission from Brett Cannon <brett at python.org>:

Issue #14113 pointed out that test.support doesn't check if tests mucked with the locale after running.

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components: Tests
keywords: easy
messages: 154414
nosy: brett.cannon
priority: normal
severity: normal
status: open
title: check for locale changes in test.support
versions: Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14135>
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