Run IGMP test using onos 1.5 in eval script
diff --git a/src/test/setup/prerequisites.sh b/src/test/setup/prerequisites.sh
index d5aa8f7..a742361 100755
--- a/src/test/setup/prerequisites.sh
+++ b/src/test/setup/prerequisites.sh
@@ -14,8 +14,9 @@
 service docker start
 echo "Verifying Docker installation"
 docker run hello-world || exit 127
-echo "Pulling ONOS"
+echo "Pulling ONOS latest and 1.5"
 docker pull onosproject/onos:latest || exit 127
+docker pull onosproject/onos:1.5 || exit 127
 apt-get -y install wget git python python-dev python-pip python-setuptools python-scapy tcpdump arping
 easy_install nose
 apt-get -y install openvswitch-common openvswitch-switch