Updated verification that disabled olt device should only have default flows

Change-Id: I0421d4139ab4b16f74fc9816bf2a55148d18ca71
diff --git a/tests/tt-workflow/Voltha_TT_PODTests.robot b/tests/tt-workflow/Voltha_TT_PODTests.robot
index 8084f95..6576539 100755
--- a/tests/tt-workflow/Voltha_TT_PODTests.robot
+++ b/tests/tt-workflow/Voltha_TT_PODTests.robot
@@ -139,11 +139,11 @@
         Run Keyword    Wait Until Keyword Succeeds    ${timeout}    5s    Validate ONUs After OLT Disable
         ...    ${num_onus}    ${olt_serial_number}
         # Verify ONOS Flows
-        # When we disable the device we shouldn't have any flows provisioned on it
+        # When we disable the device should only have 3 default flows LLDP, IGMP and DHCP
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s
-        ...    Verify Added Flow Count for OLT TT    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}    0
+        ...    Verify Added Flow Count for OLT TT    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}    3
         # Verify VOLTHA Flows
-        Run Keyword    Wait Until Keyword Succeeds    ${timeout}    5s    Validate OLT Flows    0
+        Run Keyword    Wait Until Keyword Succeeds    ${timeout}    5s    Validate OLT Flows    3
         ...    ${olt_device_id}
         # Delete OLT and Validate Empty Device List
         Delete Device    ${olt_device_id}