trove unit-test fails sometimes for mgmt.test_models.TestNotificationTransformer.test_tranformer

[Sushil Kumar]

trove unit-tests fail sometimes for "mgmt.test_models.TestNotificationTransformer.test_tranformer"

2015-03-19 20:27:42.877 | ======================================================================
2015-03-19 20:27:42.877 | FAIL: mgmt.test_models.TestNotificationTransformer.test_tranformer
2015-03-19 20:27:42.877 | tags: worker-1
2015-03-19 20:27:42.877 | ----------------------------------------------------------------------
2015-03-19 20:27:42.878 | Traceback (most recent call last):
2015-03-19 20:27:42.878 | File "/home/jenkins/workspace/gate-trove-python27/trove/tests/unittests/mgmt/test_models.py", line 123, in test_tranformer
2015-03-19 20:27:42.878 | context=self.context)()
2015-03-19 20:27:42.879 | File "trove/extensions/mgmt/instances/models.py", line 231, in __call__
2015-03-19 20:27:42.879 | instance_id=db_info.id)
2015-03-19 20:27:42.879 | File "trove/db/models.py", line 99, in find_by
2015-03-19 20:27:42.880 | {"s_name": cls.__name__})
2015-03-19 20:27:42.880 | trove.common.exception.ModelNotFoundError: InstanceServiceStatus Not Found

Even seen issues during gating, for eg. http://logs.openstack.org/82/164282/4/check/gate-trove-python27/83d898c/console.html