Updated openstack/openstack
Project: openstack/horizon  5b3ffc3257e7e98b2540ae4270e96a4343ae4ea3

Clean up test output

Some of the API calls weren't mocked properly. Add the missing mocks so
the test output is again clean.

Change-Id: I83fff8ee3f63e79ef5786602d6516703a22f0702
Partial-bug: #1378907