potential race in test:: tests.unit.benchmark.context.test_users.UserGeneratorTestCase.test_users_and_tenants_in_context

[Boris Pavlovic]

Traceback (most recent call last):
_StringException: Empty attachments:
  stderr
  stdout

Traceback (most recent call last):
  File "/home/jenkins/workspace/gate-rally-python26/.tox/py26/lib/python2.6/site-packages/mock.py", line 1201, in patched
    return func(*args, **keywargs)
  File "tests/unit/benchmark/context/test_users.py", line 217, in test_users_and_tenants_in_context
    ctx.setup()
  File "rally/common/utils.py", line 205, in wrapper
    result = f(self, *args, **kwargs)
  File "rally/benchmark/context/users.py", line 244, in setup
    msg=_("Failed to create the requested number of tenants."))
ContextSetupFailure: Unable to setup context 'users': 'Failed to create the requested number of tenants.'