Add a latency test for simulate
Add a latency test for simulate

Change-Id: Ia201ace7017ecbb1b27b6232f376710eb8d544da

ramineni/my_congress,ekcs/congress,ramineni/my_congress,ramineni/my_congress,openstack/congress,openstack/congress,ramineni/my_congress,ekcs/congress,ekcs/congress,ekcs/congress