tree deb3e9eef55684dafc71a6451d8a45a14da6d6dd
parent e317b0b84080a8afcb15311d9b86a89753306cde
author jeremy.zhang <zhangjun_inspur@163.com> 1527690050 +0800
committer jeremy.zhang <zhangjun_inspur@163.com> 1527729758 +0800

Switch to use primary credential in volume backup tests

Not all the apis in tempest/api/volume/admin/test_volumes_backup.py
should use admin credential, some apis could switch to use primary
credential. See [1].

[1] https://github.com/openstack/cinder/blob/master/cinder/policies/backups.py

Change-Id: Ied77f68c982f3a8445956ad1a4ea47c3795d3294