LU-16397 test: check quota setting on QSD

LU-16397 test: check quota setting on QSD

In some case, the quota setting at QMT could not be transfered to
QSD in time, which could cause the test to fail.
This patch adds check on QSD after setting the quota limit by LFS.

Test-Parameters: trivial testlist=sanity-quota
Change-Id: Ia999317a36a0f97c1f66726cdc10e9edac3d8a53
Signed-off-by: Hongchao Zhang <hongchao@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/49533
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Sergey Cheremencev <scherementsev@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>