[issue13878] test_sched failures on Windows buildbot

[Charles-François Natali]

Charles-François Natali <neologix at free.fr> added the comment:

Here's another failure due to the same type of race:

"""
======================================================================
FAIL: test_queue (test.test_sched.TestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\Buildslave\3.x.moore-windows\build\lib\test\test_sched.py", line 74, in test_queue
    self.assertEqual(list(scheduler.queue), [e1, e2, e3, e4, e5])
AssertionError: Lists differ: [Event(time=1328544857.025, pr... != [Event(time=1328544857.025, pr...

First differing element 2:
Event(time=1328544857.055, priority=1, action=<function TestCase.test_queue.<locals>.<lambda> at 0x04C072D8>, argument=[], kwargs={})
Event(time=1328544857.0609999, priority=1, action=<function TestCase.test_queue.<locals>.<lambda> at 0x04C072D8>, argument=[], kwargs={})

Diff is 836 characters long. Set self.maxDiff to None to see it.
"""

Here's a patch that:
- increases the timeouts for test_enter
- converts other tests to use enterabs() instead of enter()

It should fix all those failures.

----------
components: +Tests
keywords: +needs review, patch
versions: +Python 2.7, Python 3.2, Python 3.3
Added file: http://bugs.python.org/file24439/test_sched_race.diff

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<http://bugs.python.org/issue13878>
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