[issue15287] support.TESTFN was modified by test_builtin

[Florent Xicluna]

Changes by Florent Xicluna <florent.xicluna at gmail.com>:


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assignee: ronaldoussoren -> 
components:  -Macintosh
nosy:  -ronaldoussoren
resolution:  -> fixed
stage:  -> committed/rejected
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15287>
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