Hongbin Lu fd84e5affd Use 'volumev3' as a service type
Tempest has removed 'api_version' [1] that was used to select
service type, so we explicitely specifies volume v3 as service type.

[1] https://review.openstack.org/#/c/590096/

Change-Id: I85e6af13a9301228abf94872b005e196a11d0ae9
2018-08-15 15:08:41 +00:00
..
2018-08-15 15:08:41 +00:00