LU-15626 tests: Fix "error" reported by shellcheck

LU-15626 tests: Fix "error" reported by shellcheck

This patch fixes "error" issues reported by shellcheck
for *.sh files. These files had only single error
reported by shellcheck. The change in these files are
init_test_env $@ (->to->) init_test_env "$@"

Test-Parameters: trivial
Test-Parameters: testlist=dom-performance,scrub-performance
Test-Parameters: testlist=replay-single,replay-ost-single,replay-vbr
Test-Parameters: testlist=sanity-pcc,sanity-pfl,sanity-selinux
Test-Parameters: testlist=sanity-benchmark,parallel-scale
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I21fc2f25eb67d724b9e30c586568d2501648a80a
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/46811
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Sarah Liu <sarah@whamcloud.com>