Comment 0 for bug 1493069

Running Manila unit tests on local lab I get following error from time to time:

$ tox -e py27
py27 recreate: /opt/stack/manila/.tox/py27
py27 installdeps: -r/opt/stack/manila/requirements.txt, -r/opt/stack/manila/test-requirements.txt
py27 develop-inst: /opt/stack/manila
py27 runtests: commands[0] | python setup.py testr --testr-args=
running testr
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
OS_LOG_CAPTURE=${OS_LOG_CAPTURE:-1} \
${PYTHON:-python} -m subunit.run discover -t ./ ./manila/tests --list
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
OS_LOG_CAPTURE=${OS_LOG_CAPTURE:-1} \
${PYTHON:-python} -m subunit.run discover -t ./ ./manila/tests --load-list /tmp/tmpW2k2T0
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-60} \
OS_LOG_CAPTURE=${OS_LOG_CAPTURE:-1} \
${PYTHON:-python} -m subunit.run discover -t ./ ./manila/tests --load-list /tmp/tmpLDBzMR
======================================================================
FAIL: manila.tests.scheduler.test_host_manager.HostManagerTestCase.test_get_all_host_states_share
tags: worker-1
----------------------------------------------------------------------
Empty attachments:
  stderr
  stdout

pythonlogging:'': {{{
WARNING [manila.scheduler.host_manager] Share service is down. (host: host1@AAA)
 WARNING [manila.scheduler.host_manager] Share service is down. (host: host2@BBB)
 WARNING [manila.scheduler.host_manager] Share service is down. (host: host3@CCC)
 WARNING [manila.scheduler.host_manager] Share service is down. (host: host4@DDD)
 WARNING [manila.scheduler.host_manager] Share service is down. (host: host5@EEE)
 WARNING [manila.scheduler.host_manager] Share service is down. (host: host6@FFF)
}}}

Traceback (most recent call last):
  File "manila/tests/scheduler/test_host_manager.py", line 157, in test_get_all_host_states_share
    self.assertEqual(4, len(host_state_map))
  File "/opt/stack/manila/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 350, in assertEqual
    self.assertThat(observed, matcher, message)
  File "/opt/stack/manila/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 435, in assertThat
    raise mismatch_error
testtools.matchers._impl.MismatchError: 4 != 0
Ran 3744 tests in 163.564s (+61.029s)
FAILED (id=164, failures=1 (+1), skips=2)
error: testr failed (1)
ERROR: InvocationError: '/opt/stack/manila/.tox/py27/bin/python setup.py testr --testr-args='
______________________________________________________________________________________________________________________________ summary _______________________________________________________________________________________________________________________________
ERROR: py27: commands failed