Updated openstack/openstack
Project: openstack/tempest  06a237dcacb1129e1007ee13eb41e7446a65812f
null
add positive tests for volume

- create a new file in admin directory
- test_volume_reset_status
- test_volume_begin_detaching
- test_volume_roll_detaching

Change-Id: I204705b2b430b86577b784a3610b5b6ba1f90592