LU-14385 tests: verify lfs setstripe comp-flags and flags options

LU-14385 tests: verify lfs setstripe comp-flags and flags options

This patch adds more test cases to verify lfs setstripe
--comp-flags|--component-flags and --flags options.

Change-Id: Ie09089ceb65372fdf4e3b50df3771c9a355210cc
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/41423
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: John L. Hammond <jhammond@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>