And this problem continues:

14:27:19 ==============================
14:27:19 Failed 1 tests - output below:
14:27:19 ==============================
14:27:19 
14:27:19 cinder.tests.unit.test_volume.VolumeMigrationTestCase.test_retype_volume_with_type_only
14:27:19 ---------------------------------------------------------------------------------------
14:27:19 
14:27:19 Captured traceback:
14:27:19 ~~~~~~~~~~~~~~~~~~~
14:27:19     Traceback (most recent call last):
14:27:19       File "cinder/tests/unit/test_volume.py", line 5302, in test_retype_volume_with_type_only
14:27:19         self._retype_volume_exec(True, reserve_vol_type_only=True)
14:27:19       File "cinder/tests/unit/test_volume.py", line 5250, in _retype_volume_exec
14:27:19         (self.notifier.notifications))
14:27:19       File "/home/jenkins/workspace/check-cinder-tox/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 411, in assertEqual
14:27:19         self.assertThat(observed, matcher, message)
14:27:19       File "/home/jenkins/workspace/check-cinder-tox/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 498, in assertThat
14:27:19         raise mismatch_error
14:27:19     testtools.matchers._impl.MismatchError: 1 != 2: Notifier count incorrect [{'priority': 'INFO', 'publisher_id': 'backup.slave-59824-bare-trusty-rax-iad', 'payload': {'status': None, 'user_id': u'c853ca26-e8ea-4797-8a52-ee124a013d0e', 'backup_id': '707844eb-6d8a-4ac1-8b98-618e1c0b3a3a', 'fail_reason': None, 'service': None, 'availability_zone': None, 'tenant_id': u'89afd400-b646-4bbc-b12b-c0a4d63e5bd3', 'created_at': '2016-06-14 14:20:47.566865+00:00', 'volume_id': 'c09b1ad4-5f0e-4d3f-8b9e-0000004caec8', 'list': [], 'prefix': 'volume_c09b1ad4-5f0e-4d3f-8b9e-0000004caec8/20160614142047/az_nova_backup_707844eb-6d8a-4ac1-8b98-618e1c0b3a3a', 'backup_percent': 0, 'parent_id': None, 'host': None, 'volume_meta': None, 'snapshot_id': None, 'display_name': None, 'num_dependent_backups': 0, 'service_metadata': u'volume_c09b1ad4-5f0e-4d3f-8b9e-0000004caec8/20160614142047/az_nova_backup_707844eb-6d8a-4ac1-8b98-618e1c0b3a3a', 'id': 1, 'size': 1}, 'event_type': 'backup.createprogress'}, {'priority': 'INFO', 'publisher_id': 'volume.slave-59824-bare-trusty-rax-iad', 'payload': {'status': u'available', 'display_name': u'test_volume', 'volume_attachment': [], 'availability_zone': u'fake_az', 'tenant_id': u'7f265bd4-3a85-465e-a899-5dc4854a86d3', 'created_at': '2016-06-14T14:24:47.561090+00:00', 'volume_id': '937a7a68-6127-4c59-a8c3-841512cf3650', 'volume_type': u'15a0548b-0a38-4602-8c73-7cb6b91cb84d', 'host': u'slave-59824-bare-trusty-rax-iad', 'replication_driver_data': None, 'replication_status': u'disabled', 'snapshot_id': None, 'replication_extended_status': None, 'user_id': u'c853ca26-e8ea-4797-8a52-ee124a013d0e', 'metadata': [], 'launched_at': '2016-06-14T14:24:47.788337', 'size': 1}, 'event_type': 'volume.retype'}]
14:27:19     
14:27:19 
14:27:19 Captured pythonlogging:
14:27:19 ~~~~~~~~~~~~~~~~~~~~~~~
14:27:19     2016-06-14 14:24:47,450 INFO [cinder.rpc] Automatically selected cinder-scheduler objects version 1.4 as minimum service version.
14:27:19     2016-06-14 14:24:47,452 INFO [cinder.rpc] Automatically selected cinder-scheduler RPC version 2.0 as minimum service version.
14:27:19     2016-06-14 14:24:47,490 INFO [cinder.volume.manager] Determined volume DB was empty at startup.
14:27:19     2016-06-14 14:24:47,493 INFO [cinder.volume.manager] Service not found for updating active_backend_id, assuming default for driver init.
14:27:19     2016-06-14 14:24:47,494 INFO [cinder.volume.manager] Image-volume cache disabled for host slave-59824-bare-trusty-rax-iad.
14:27:19     2016-06-14 14:24:47,497 INFO [cinder.rpc] Automatically selected cinder-volume objects version 1.4 as minimum service version.
14:27:19     2016-06-14 14:24:47,500 INFO [cinder.rpc] Automatically selected cinder-volume RPC version 2.1 as minimum service version.
14:27:19     2016-06-14 14:24:47,731 INFO [cinder.volume.manager] Volume 937a7a68-6127-4c59-a8c3-841512cf3650: retyped successfully
14:27:19     2016-06-14 14:24:47,808 INFO [cinder.volume.manager] Retype volume completed successfully.