tree 2f335de1fdd46c3092d1e1ffeff4660de570cf88
parent c465bfe00183c18ae83e28dadfc2560f4ff1394e
author jeremy.zhang <zhangjun_inspur@163.com> 1501761771 +0800
committer jeremy.zhang <zhangjun_inspur@163.com> 1501761771 +0800

Add test for showing volume image metadata

This patch adds test for the missing API (volume v2):
show image metadata for a volume.

Including:

[1] Add show volume image metadata API to v2 volumes_client
[2] Add unit test for the API
[3] Modify test case: test_update_image_metadata
[4] Add release note

Change-Id: Id428c64794085ffbcda5d500bb4996e3d8da15ee