use new snapshot query: GetAllVmSnapshotsByVmId, instead of current implementation for getting snapshots. The query returns a list of 'Snapshot', which is a new Backend business entity.
*** Bug 804781 has been marked as a duplicate of this bug. ***
Since engine committed their changes before Rest API support them , we can't perform most of snapshots operations currently .
see also https://bugzilla.redhat.com/show_bug.cgi?id=804781#c2
closing ON_QA bugs as oVirt 3.1 was released: http://www.ovirt.org/get-ovirt/