LU-12133 tests: sanityn test_35 syntax error

LU-12133 tests: sanityn test_35 syntax error

Patch fixes test_35() trivial syntax error.

This patch is a back port from
Lustre-commit: f93c9c9c70bdb321ca5ec7dd84db9a426cb3bc06
Lustre-change: https://review.whamcloud.com/34542

Test-Parameters: trivial envdefinitions=ONLY=35 testlist=sanityn
Signed-off-by: Elena Gryaznova <c17455@cray.com>
Cray-bug-id: LUS-5882
Reviewed-by: Vladimir Saveliev <c17830@cray.com>
Reviewed-by: Alexander Boyko <c17825@cray.com>
Change-Id: Id81b9f071920a2111314c869fe2700e6ddf5981a
Reviewed-by: James Nunez <jnunez@whamcloud.com>
Reviewed-by: Alexandr Boyko <c17825@cray.com>
Reviewed-on: https://review.whamcloud.com/34613
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>