LU-770 tests: MRP-250 sanity.sh fails in CLIENTONLY mode

LU-770 tests: MRP-250 sanity.sh fails in CLIENTONLY mode

Skip sanity.sh tests which requires remote access to
lustre servers.

Signed-off-by: Andriy Skulysh <andriy_skulysh@xyratex.com>
Change-Id: Ia853a8cf95bf6bf638e391aab30654a06a3b6589
Reviewed-by: Alexey Lyashkov <alexey_lyashkov@xyratex.com>
Reviewed-on: http://review.whamcloud.com/1537
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Yu Jian <yujian@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>