Updated openstack/openstack
Project: openstack/neutron  a86e14392a824ce78fb12d81e49abac1a247b4fd

Improve module-level mocks in midonet tests

Remove unnecessary module-level mocks and replace
them with test-specific mocks so they don't persist
through the entire test suite.

Partial-Bug: #1316401
Change-Id: I49039749bb700ec0a88639f4772701ba3b920352