Update to retrieve additional properties for testing.

Signed-off-by: Mike Tutkowski <mike.tutkowski@solidfire.com>
CLOUDSTACK-7081: db upgrade fixes - a) added description for cloud.volumes.iso_id field b) removed duplicated unique key "id_2" from cloud.storage_pool table
CLOUDSTACK-6468:IAM - Templates - Admin user is not allowed to edit
template and set isExtractable() paramater.
(cherry picked from commit b6617843d258d9437a17d39e698edba430768f9a)

Signed-off-by: Nitin Mehta <nitin.mehta@citrix.com>
Detach disks before cleaning up of VMware worker VM.