LU-14314 tests: skip test_16e from sanityn

LU-14314 tests: skip test_16e from sanityn

To avoid test failure skip test_16e from sanityn
when Lustre version is below 2.13.53 on MDS server

Fixes: 92d799217aea ("LU-13227 sanityn 16a FAIL: fsx with O_DIRECT failed.")
Signed-off-by: Vikentsi Lapa <vlapa@whamcloud.com>
Change-Id: I562df7e02a9484fbc037597f012943cefa480fda
Test-Parameters: trivial testlist=sanityn
Reviewed-on: https://review.whamcloud.com/41353
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Nunez <jnunez@whamcloud.com>