add more onus for demo pod to test

Change-Id: Ie546525a56a69c78d5c2a855b23f6f23d9cf4226
diff --git a/tests/functional/Voltha_PODTests.robot b/tests/functional/Voltha_PODTests.robot
index 95479fc..e347a71 100644
--- a/tests/functional/Voltha_PODTests.robot
+++ b/tests/functional/Voltha_PODTests.robot
@@ -83,7 +83,7 @@
         ...    ${src['pass']}    ${src['container_type']}    ${src['container_name']}    ${dst['dp_iface_name']}
         ...    ${dst['ip']}    ${dst['user']}    ${dst['pass']}    ${dst['container_type']}    ${dst['container_name']}
 
-        Wait Until Keyword Succeeds    ${timeout}    2s    Validate Subscriber DHCP Allocation    ${k8s_node_ip}    ${ONOS_SSH_PORT}    ${onu_port}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Run Keyword And Continue On Failure    Validate Subscriber DHCP Allocation    ${k8s_node_ip}    ${ONOS_SSH_PORT}    ${onu_port}
     END
 
 *** Keywords ***