tree 28bfca97319f7c3ebfcc3b797f0d26ce6db6f10b
parent 345dc6cda4db52a79699ac1dbd5f682393278b38
author Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1493933431 -0700
committer Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1496174266 -0700

Reuse v2 extension client for cinder v3

Now(Pike) Cinder versions are like
 - V1: Deprecated
 - V2: Deprecated
 - V3: Current

So users should be able to disable cinder v2 API on Tempest config.
This patch makes verify_tempest_config reuse v2 extension client for
v3 also. In addition, this patch removes v1 extension client usage
on verify_tempest_config because Tempest doesn't contain v1 tests
at all and we don't need to verify the v1 extensions at all.

Change-Id: I3ef5a82a70fa9e4b862f50a85f93351888ed6bcd