Unrelated failure in tests.unit.rpc.test_fake.RpcFakeTestCase.test_multithreaded_resp_routing

Looks like another race in the oslo-incubator rpc code. Leaving a bug so we can track occurrences of it to see if it's worth fixing before this code goes away entirely.

http://logs.openstack.org/41/78441/4/check/gate-oslo-incubator-python26/098bdb3/console.html

2014-03-06 17:36:03.390 | FAIL: tests.unit.rpc.test_fake.RpcFakeTestCase.test_multithreaded_resp_routing
2014-03-06 17:36:03.390 | tags: worker-0
2014-03-06 17:36:03.390 | ----------------------------------------------------------------------
2014-03-06 17:36:03.391 | Empty attachments:
2014-03-06 17:36:03.391 | pythonlogging:''
2014-03-06 17:36:03.391 | stderr
2014-03-06 17:36:03.391 | stdout
2014-03-06 17:36:03.391 |
2014-03-06 17:36:03.391 | Traceback (most recent call last):
2014-03-06 17:36:03.391 | File "tests/unit/rpc/common.py", line 287, in test_multithreaded_resp_routing
2014-03-06 17:36:03.391 | callid2))
2014-03-06 17:36:03.391 | File "/usr/lib64/python2.6/unittest.py", line 324, in failUnless
2014-03-06 17:36:03.391 | if not expr: raise self.failureException, msg
2014-03-06 17:36:03.391 | AssertionError