LU-7159 tests: fix 224c fault injection

LU-7159 tests: fix 224c fault injection

Sanity 224c test always passes because no fault injection happened.

This Patch adds additional step in fault injection and fix this test.

Test-Parameters: clientarch=aarch64 testlist=node-provisioning-1,lustre-initialization-1,lnet-selftest,sanity

Signed-off-by: Artem Blagodarenko <artem.blagodarenko@seagate.com>
Xyratex-bug-id: MRP-2472
Change-Id: I5f637e98b46ddda6acbafb956f9b85fccb7cae15
Reviewed-on: https://review.whamcloud.com/16426
Reviewed-by: Alexander Zarochentsev <c17826@cray.com>
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Mike Pershin <mpershin@whamcloud.com>