Add checking for pass/fail
Add checking for pass/fail

Change-Id: Iedec95e90952428470e31685822ac4cf7193cd48
Reviewed-on: http://review.couchbase.org/45725
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Li Yang <b23b5fb240ae87c71e4667a21ecd9f27d5443975@gmail.com>

PaintScratcher/perfrunner,couchbase/perfrunner,thomas-couchbase/perfrunner,EricACooper/perfrunner,hsharsha/perfrunner,hsharsha/perfrunner,PaintScratcher/perfrunner,pavel-paulau/perfrunner,pavel-paulau/perfrunner,dkao-cb/perfrunner,couchbase/perfrunner,EricACooper/perfrunner,EricACooper/perfrunner,pavel-paulau/perfrunner,vmx/perfrunner,thomas-couchbase/perfrunner,vmx/perfrunner,mikewied/perfrunner,couchbase/perfrunner,EricACooper/perfrunner,couchbase/perfrunner,mikewied/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,dkao-cb/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner