engine: fix for gluster test failures

    http://gerrit.ovirt.org/gitweb?p=ovirt-engine.git&a=commit&h=f6f3d2db44fb03805634e8966554ca09c4730d07

Change-Id: I82a8a6862595fbf5f78564f1bb3cc483f158159e
Signed-off-by: Selvasundaram <sesubram@redhat.com>