Switch the test machines because the first test machine 172.23.96.63 seems to have problem
Switch the test machines because the first test machine 172.23.96.63 seems to have problem

Change-Id: I569e5345cd3ed71503af42c251bd80fbf26355af
Reviewed-on: http://review.couchbase.org/37265
Reviewed-by: Li Yang <b23b5fb240ae87c71e4667a21ecd9f27d5443975@gmail.com>
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>

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