[issue19750] test_asyncio.test_unix_events constructor failures on AIX

[STINNER Victor]

New submission from STINNER Victor:

buildbot.python.org/all/builders/PPC64 AIX 3.x/builds/1138/steps/test/logs/stdio 

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FAIL: test_ctor (test.test_asyncio.test_unix_events.UnixWritePipeTransportTests)
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Traceback (most recent call last):
  File "/home/shager/cpython-buildarea/3.x.edelsohn-aix-ppc64/build/Lib/test/test_asyncio/test_unix_events.py", line 389, in test_ctor
    self.loop.assert_reader(5, tr._read_ready)
  File "/home/shager/cpython-buildarea/3.x.edelsohn-aix-ppc64/build/Lib/asyncio/test_utils.py", line 217, in assert_reader
    assert fd in self.readers, 'fd {} is not registered'.format(fd)
AssertionError: fd 5 is not registered

======================================================================
FAIL: test_ctor_with_waiter (test.test_asyncio.test_unix_events.UnixWritePipeTransportTests)
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Traceback (most recent call last):
  File "/home/shager/cpython-buildarea/3.x.edelsohn-aix-ppc64/build/Lib/test/test_asyncio/test_unix_events.py", line 397, in test_ctor_with_waiter
    self.loop.assert_reader(5, tr._read_ready)
  File "/home/shager/cpython-buildarea/3.x.edelsohn-aix-ppc64/build/Lib/asyncio/test_utils.py", line 217, in assert_reader
    assert fd in self.readers, 'fd {} is not registered'.format(fd)
AssertionError: fd 5 is not registered

----------
messages: 204203
nosy: David.Edelsohn, gvanrossum, haypo
priority: normal
severity: normal
status: open
title: test_asyncio.test_unix_events constructor failures on AIX
versions: Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19750>
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