LU-16085 tests: fix sanityn test_106c

LU-16085 tests: fix sanityn test_106c

Fix sanityn test_106c after modification introduced when fixing
stat attributes_mask.

Test-Parameters: trivial testlist=sanityn env=ONLY=106c
Fixes: 0e48653c27 ("LU-16085 llite: fix stat attributes_mask")
Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Change-Id: I370813b9b1c22450577c390964a0cc410735b989
Reviewed-on: https://review.whamcloud.com/48435
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>