LU-16219 tests: syntax error fix

LU-16219 tests: syntax error fix

scrub-performance:scrub_create() fix

Fixes: a20b78a81d ("LU-15357 iokit: fix the obsolete usage of cfg_device")
Test-Parameters: trivial testlist=scrub-performance
Signed-off-by: Elena Gryaznova <elena.gryaznova@hpe.com>
HPE-bug-id: LUS-11277
Change-Id: Ib6e4354c2f399019ec2d6c33f9a7d544226c0392
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/48795
Reviewed-by: Vladimir Saveliev <vladimir.saveliev@hpe.com>
Reviewed-by: Alexander Zarochentsev <alexander.zarochentsev@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>