Updated openstack/openstack
Project: openstack/tempest  70d0b4d856f50d5bd7c0479e4709369daa558c6b
null
Add test cases for volume-transfer

Volume-transfer is involved in Havana Release in Cinder now.
We need to complete related test cases for it.

Fixes bug: 1243070

Change-Id: Ie00aed32ebed70a3f5fcb5c5b5c16a2ae8e4549c