Add Tests for Groups Volume APIs - Part 3

Generic volume groups support was added to Cinder in the
Newton release:
https://blueprints.launchpad.net/cinder/+spec/generic-volume-group

This is the 3rd patch that adds the tempest tests for generic
volume groups APIs in Cinder. It adds tests for the following API:

  * create group from src

Change-Id: I30c6709fe3fe9e75f6a2d980d0a5ffaedb42dad3
4 files changed