LU-7746 tests: skip tests for older (upstream) client

LU-7746 tests: skip tests for older (upstream) client

Skip some tests when running newer sanity.sh on an older client.
This typically only happens when testing the upstream client,
since otherwise the tests will always match the client version.

Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Change-Id: I78e1b0a6ae98879a2039817696c3a0dd15621fcc
Reviewed-on: https://review.whamcloud.com/28718
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Steve Guminski <stephenx.guminski@intel.com>
Reviewed-by: James Nunez <james.a.nunez@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>