Sync functional tests with Swift v1.9.1

Change-Id: Id478f651fe937883837291059da9da853fcd2de2
Signed-off-by: Peter Portante <peter.portante@redhat.com>
Reviewed-on: http://review.gluster.org/6141
Reviewed-by: Luis Pabon <lpabon@redhat.com>
Tested-by: Luis Pabon <lpabon@redhat.com>