EX-9387 lipe: Update tests in lipe_scan3

EX-9387 lipe: Update tests in lipe_scan3

This short patch fixes the lipe_scan3 and lipe_find3
automated tests. Adds new attributes to tests to
run lipe_scan3

Fixes: 9093217a72 ("EX-8130 lipe: Link a new statistics module")
Test-Parameters: trivial testlist=sanity-lipe-scan3,sanity-lipe-find3
Signed-off-by: Vitaliy Kuznetsov <vkuznetsov@ddn.com>
Change-Id: Ibe00b2eb75da00ce4a8dbfd7a4f4d74b365104de
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/54440
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>