Fixes migrationops failed unit test
Fixes migrationops failed unit test

The destination path was not as expected, since the _migrate_disk_files
was not migrating to the same host.

Change-Id: Ibd2ff48123098532894a3253432532adecfb5838

cloudbase/compute-hyperv,stackforge/compute-hyperv,alexpilotti/compute-hyperv,openstack/compute-hyperv,openstack/compute-hyperv,adelina-t/compute-hyperv