Increasing wait times after disable ONU and add-subscriber calls

Change-Id: I3cb90ec496b419657f459a5512f3d07f56d735d1
diff --git a/tests/functional/Voltha_PODTests.robot b/tests/functional/Voltha_PODTests.robot
index 9c75c8b..4e9c122 100644
--- a/tests/functional/Voltha_PODTests.robot
+++ b/tests/functional/Voltha_PODTests.robot
@@ -261,7 +261,7 @@
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds   120s   2s
         ...    Verify ONU Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
         Disable Device    ${onu_device_id}
-        Sleep    5s
+        Sleep    30s
         Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-remove-subscriber-access ${of_id} ${onu_port}
         Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
@@ -280,7 +280,7 @@
         ...    ${ONOS_SSH_PORT}    ${onu_port}
         Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
-        Sleep    10s
+        Sleep    30s
         # Verify subscriber access flows are added for the ONU port
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s
         ...    Verify Subscriber Access Flows Added For ONU    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}