test_get_lock_concurrency_locking_same_lock failing

[Vilobh Meshram]

test_get_lock_concurrency_locking_same_lock fails on the gate. This failure is random.

2015-09-15 23:47:25.429 | ======================================================================
2015-09-15 23:47:25.429 | FAIL: tests.test_coordination.TestAPI.test_get_lock_concurrency_locking_same_lock(mysql)
2015-09-15 23:47:25.429 | tags: worker-7
2015-09-15 23:47:25.429 | ----------------------------------------------------------------------
2015-09-15 23:47:25.429 | Traceback (most recent call last):
2015-09-15 23:47:25.429 | File "tooz/tests/__init__.py", line 29, in skip_if_not_implemented
2015-09-15 23:47:25.429 | return func(*args, **kwargs)
2015-09-15 23:47:25.430 | File "/home/jenkins/workspace/gate-tooz-tox-py27-mysql/tooz/tests/test_coordination.py", line 663, in test_get_lock_concurrency_locking_same_lock
2015-09-15 23:47:25.430 | time.sleep(.1)
2015-09-15 23:47:25.430 | File "tooz/locking.py", line 60, in __exit__
2015-09-15 23:47:25.430 | self.release()
2015-09-15 23:47:25.430 | File "tooz/drivers/mysql.py", line 87, in release
2015-09-15 23:47:25.430 | cause=e)
2015-09-15 23:47:25.431 | File "tooz/coordination.py", line 540, in raise_with_cause
2015-09-15 23:47:25.431 | excutils.raise_with_cause(exc_cls, message, *args, **kwargs)
2015-09-15 23:47:25.431 | File "/home/jenkins/workspace/gate-tooz-tox-py27-mysql/.tox/py27-mysql/local/lib/python2.7/site-packages/oslo_utils/excutils.py", line 137, in raise_with_cause
2015-09-15 23:47:25.431 | six.raise_from(exc_cls(message, *args, **kwargs), kwargs.get('cause'))
2015-09-15 23:47:25.431 | File "/home/jenkins/workspace/gate-tooz-tox-py27-mysql/.tox/py27-mysql/local/lib/python2.7/site-packages/six.py", line 692, in raise_from
2015-09-15 23:47:25.431 | raise value
2015-09-15 23:47:25.431 | tooz.coordination.ToozError: (2014, 'Command Out of Sync')
2015-09-15 23:47:25.432 | Ran 551 tests in 1.854s
2015-09-15 23:47:25.432 | FAILED (id=0, failures=1, skips=376)
2015-09-15 23:47:25.432 | error: testr failed (1)
2015-09-15 23:47:25.703 | + clean_exit
2015-09-15 23:47:25.704 | + local error_code=1
2015-09-15 23:47:25.704 | ++ jobs -p
2015-09-15 23:47:25.704 | + kill 3917 3992
2015-09-15 23:47:25.704 | + rm -rf /tmp/tooz-mysql-xi2Ue
2015-09-15 23:47:25.712 | /home/jenkins/workspace/gate-tooz-tox-py27-mysql/setup-mysql-env.sh: line 4: 3992 Terminated cat "$2" > /dev/null
2015-09-15 23:47:25.713 | + return 1
2015-09-15 23:47:25.715 | ERROR: InvocationError: '/home/jenkins/workspace/gate-tooz-tox-py27-mysql/setup-mysql-env.sh python setup.py testr --slowest --testr-args='
2015-09-15 23:47:25.715 | ___________________________________ summary ____________________________________

[Takashi Kajinami (kajinamit)]

This is not seen in CI. Please feel free to reopen if the issue can be still reproduced.