Updated openstack/openstack
Project: openstack/tempest  b160bcc42b8169d336be302903cdd2208ebe6dc8
null
Adds test to cover Swift healthcheck middleware

Simple middleware, simple test. One test is run:
A single GET is sent to "/healthcheck", a HTTP 200 response is
expected.

Change-Id: If6428259c5094c0b56b57ab0064d017d4c4340f7