The test test_get_logger_sysloghandler_plumbing is failing on osx

[Chmouel Boudjnah]

======================================================================
FAIL: test_get_logger_sysloghandler_plumbing (test.unit.common.test_utils.TestUtils)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/chmouel/GIT/openstack/swift/test/unit/common/test_utils.py", line 438, in test_get_logger_sysloghandler_plumbing
    syslog_handler_args)
AssertionError: Lists differ: [((), {'facility': 19, 'addres... != [((), {'facility': 19, 'addres...

Second list contains 1 additional elements.
First extra element 1:
((), {'facility': 19})

- [((), {'address': '/dev/log', 'facility': 19})]
+ [((), {'address': '/dev/log', 'facility': 19}), ((), {'facility': 19})]
? ++++++++++++++++++++++++

[Chmouel Boudjnah (chmouel)]

https://review.openstack.org/#/c/39325/