CA-176801: [UnitTest] Fix assert after changes to nfs.py
CA-176801: [UnitTest] Fix assert after changes to nfs.py

Signed-off-by: Siddharth Vinothkumar <dfecda33490a98eb9acd390f514dd6b90713a050@citrix.com>
Reviewed-by: Chandrika Srinivasan <51ae5eeda27fe08017d2d63c87755f0707891830@citrix.com>

chandrikas/sm,germanop/sm,pritha-srivastava/sm,germanop/sm,germanop/sm,chandrikas/sm,kostaslamda/sm,pritha-srivastava/sm,pritha-srivastava/sm,malcolmcrossley/sm,malcolmcrossley/sm,xapi-project/sm,xapi-project/sm,kostaslamda/sm,chandrikas/sm,kostaslamda/sm,malcolmcrossley/sm,xapi-project/sm