CA-212813: Fix NFS attach unit test
CA-212813: Fix NFS attach unit test

Changed unit test to reflect changes made for CA-207783 (PR 305)

Signed-off-by: Chandrika Srinivasan <chandrika.srinivasan@citrix.com>
Reviewed-by: Mark Syms <mark.syms@citrix.com>

GitHub: closes xapi-project/sm#316

germanop/sm,xapi-project/sm,kostaslamda/sm,chandrikas/sm,chandrikas/sm,germanop/sm,chandrikas/sm,xapi-project/sm,xapi-project/sm,germanop/sm,kostaslamda/sm,kostaslamda/sm