tree b669e557180fa0d2b7ecacc4e6b13354a475e0d4
parent 4bcf7e1002ca8468c713e0d4e4327bf91ad4ab61
author zhufl <zhu.fanglei@zte.com.cn> 1522292794 +0800
committer zhufl <zhu.fanglei@zte.com.cn> 1522311363 +0000

Fix image_id KeyError in test_create_backup

image_id is added to the result of create_backup, but it's not
added in the header, it's added in body instead, so we can't
get image_id from resp.response, otherwise it will raise
"KeyError: 'image_id'". This is to fix it.

Ref: https://developer.openstack.org/api-ref/compute/#create-server-back-up-createbackup-action

Implements blueprint: clear-deprecated-api

Change-Id: If924bc417c24e5bcc18577d20023f277653d7dd3