Updated openstack/openstack
Project: openstack/nova  fbb0cd91aabda3272e6668dad9a0390f3df62382

Add unit test for add_floating_ip API

Currently, add_floating_ip API has no unit test for body's key test,
this patch adds the test cases.

Change-Id: I32a32514c68fcd8717011d37724a20993aa8ed20