Updated openstack/openstack
Project: openstack/nova  6f5f71a2b06998d98773894b8297fcacdbbdcfc5

Cleanup in server group unit tests

This patch does below cleanups in server group unit tests

- Remove the unsed object of wsgi_app
- share http request object among tests

Change-Id: I7f5b41f68537e81d3d1350e8ea115ec4d5782250