[oslo.messaging][7.0] Periodic job fails 'cannot import name mox'

[Dmitry Teselkin]

Periodic job for openstack/oslo.messaging fails on 6.1 branch

-----
08:42:52 --- import errors ---
08:42:52 Failed to import test module: oslo_messaging.tests.test_transport
08:42:52 Traceback (most recent call last):
08:42:52 File "/home/jenkins/workspace/periodic-oslo.messaging-python27-mos70/.tox/py27/local/lib/python2.7/site-packages/unittest2/loader.py", line 445, in _find_test_path
08:42:52 module = self._get_module_from_name(name)
08:42:52 File "/home/jenkins/workspace/periodic-oslo.messaging-python27-mos70/.tox/py27/local/lib/python2.7/site-packages/unittest2/loader.py", line 384, in _get_module_from_name
08:42:52 __import__(name)
08:42:52 File "oslo_messaging/tests/test_transport.py", line 19, in <module>
08:42:52 from six.moves import mox
08:42:52 ImportError: cannot import name mox
08:42:52
08:42:52 Failed to import test module: tests.test_transport
08:42:52 Traceback (most recent call last):
08:42:52 File "/home/jenkins/workspace/periodic-oslo.messaging-python27-mos70/.tox/py27/local/lib/python2.7/site-packages/unittest2/loader.py", line 445, in _find_test_path
08:42:52 module = self._get_module_from_name(name)
08:42:52 File "/home/jenkins/workspace/periodic-oslo.messaging-python27-mos70/.tox/py27/local/lib/python2.7/site-packages/unittest2/loader.py", line 384, in _get_module_from_name
08:42:52 __import__(name)
08:42:52 File "tests/test_transport.py", line 18, in <module>
08:42:52 from six.moves import mox
08:42:52 ImportError: cannot import name mox
-----

* Link to the logs: http://logs.mosi.mirantis.net/periodic/periodic-oslo.messaging-python27-mos70/c0d1588
* Jenkins job: https://jenkins.mosi.mirantis.net/job/periodic-oslo.messaging-python27-mos70

[Viktor Serhieiev (vsergeyev)]

Supposed to be fixed by https://review.fuel-infra.org/#/c/7659/