LU-16399 tests: add subtests setup/cleanup records

LU-16399 tests: add subtests setup/cleanup records

* Added setup/cleanup records for subtests

Lustre-change: https://review.whamcloud.com/49582
Lustre-commit: d0ae0079d747d05f74f733fb594d8edb512f8b16

Change-Id: Icb203a864fa8785e423a073b4ee0f02ea3d3ac77
Signed-off-by: Alex Deiter <adeiter@tintri.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/51406
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>