Comment 1 for bug 1706207

In the failed run, this class creates the same custom resource class:

2017-07-24 18:30:02.936984 | {3} nova.tests.functional.api.openstack.placement.test_placement_api.allocation-bad-class_create_a_resource_class.test_request [0.010374s] ... ok

And they are running on the same process. They should be separate databases in sqlite given the APIFixture used in the tests, but maybe eventlet thread goofiness messed up the responses.