[issue17684] Skip tests in test_socket like testFDPassSeparate on OS X

[Jeff Ramnani]

New submission from Jeff Ramnani:

The changeset for subtests in #16997 cause some tests in test_socket to fail on OS X.
Specifically, they cause some tests that were marked as expected failures to be run and be marked as failures.

I'm experiencing the same test failures as the OS X Mountain Lion buildbot.  `Here's an example build failure (Build 1058). http://buildbot.python.org/all/builders/AMD64%20Mountain%20Lion%20%5BSB%5D%203.x/builds/1058`_

Per issue #12958 I believe these tests should be skipped on OS X.

I'm attaching a patch which skips the offending tests on OS X.

----------
components: Tests
files: skip-fd-socket-tests-osx.patch
keywords: patch
messages: 186474
nosy: jramnani
priority: normal
severity: normal
status: open
title: Skip tests in test_socket like testFDPassSeparate on OS X
type: behavior
versions: Python 3.4, Python 3.5
Added file: http://bugs.python.org/file29762/skip-fd-socket-tests-osx.patch

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