test_posix failure on the Leopard buildbot

[pitrou]

BPO	11124
Nosy	@ronaldoussoren, @pitrou, @ned-deily
Superseder	bpo-7900: posix.getgroups() failure on Mac OS X

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2011-02-05.09:29:06.330>
created_at = <Date 2011-02-04.23:12:21.351>
labels = ['tests', 'type-bug', 'library']
title = 'test_posix failure on the Leopard buildbot'
updated_at = <Date 2011-02-05.09:29:06.329>
user = 'https://github.com/pitrou'

bugs.python.org fields:

activity = <Date 2011-02-05.09:29:06.329>
actor = 'ned.deily'
assignee = 'none'
closed = True
closed_date = <Date 2011-02-05.09:29:06.330>
closer = 'ned.deily'
components = ['Library (Lib)', 'Tests']
creation = <Date 2011-02-04.23:12:21.351>
creator = 'pitrou'
dependencies = []
files = []
hgrepos = []
issue_num = 11124
keywords = []
message_count = 2.0
messages = ['127950', '127951']
nosy_count = 4.0
nosy_names = ['ixokai', 'ronaldoussoren', 'pitrou', 'ned.deily']
pr_nums = []
priority = 'critical'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '7900'
type = 'behavior'
url = 'https://bugs.python.org/issue11124'
versions = ['Python 3.1', 'Python 2.7', 'Python 3.2']

[pitrou]

test_posix has started failing deterministically on the Leopard buildbot. Stephen, did you change something in its configuration?

http://www.python.org/dev/buildbot/all/builders/AMD64%20Leopard%203.x/builds/786/steps/test/logs/stdio

======================================================================
FAIL: test_getgroups (test.test_posix.PosixTester)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/Users/pythonbuildbot/buildarea/3.x.hansen-osx-x86-2/build/Lib/test/test_posix.py", line 390, in test_getgroups
    set(posix.getgroups() + [posix.getegid()]))
AssertionError: Items in the first set but not the second:
108

[ixokai]

This is just http://bugs.python.org/issue7900 all over again.

In the meantime, I restarted the buildslave and re-submitted the jobs so the failures should go away. (I still advocate that the test is fundamentally wrong/flawed on Mac and should be disabled at least -- but that discussion is over on bpo-7900).