[VOL-4041] Migration to single ONOS SSH connection

Change-Id: I91f5f3c96585097486bc862118d8753bf4b30cba
diff --git a/tests/functional/Voltha_PODTests.robot b/tests/functional/Voltha_PODTests.robot
old mode 100644
new mode 100755
index d59a075..dea6d12
--- a/tests/functional/Voltha_PODTests.robot
+++ b/tests/functional/Voltha_PODTests.robot
@@ -143,7 +143,7 @@
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
         ...    ${of_id}
-        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-remove-subscriber-access ${of_id} ${onu_port}
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
         ...    Verify No Pending Flows For ONU    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
@@ -151,7 +151,7 @@
         ...    Wait Until Keyword Succeeds    60s    2s
         ...    Check Ping    False    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
         ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
-        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
         ...    Verify No Pending Flows For ONU    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
@@ -186,7 +186,7 @@
         ...    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
         Run Keyword And Ignore Error    Login And Run Command On Remote System    ps -ef | grep dhclient    ${src['ip']}
         ...    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
-        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-remove-subscriber-access ${of_id} ${onu_port}
         Sleep    15s
         Run Keyword And Ignore Error    Login And Run Command On Remote System    ps -ef | grep dhclient    ${src['ip']}
@@ -202,7 +202,7 @@
         ...    ${src['ip']}    ${src['user']}    ${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    Execute ONOS CLI Command    ${ONOS_SSH_IP}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
         ...    Verify No Pending Flows For ONU    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
@@ -239,7 +239,7 @@
         ...    Verify ONU Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
         Disable Device    ${onu_device_id}
         Wait Until Keyword Succeeds    ${timeout}    2s    Test Devices Disabled in VOLTHA    Id=${onu_device_id}
-        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${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
         ...    Wait Until Keyword Succeeds    60s    2s    Check Ping
@@ -255,7 +255,7 @@
         ...    ${src['container_type']}    ${src['container_name']}
         Wait Until Keyword Succeeds    ${timeout}    2s    Verify ONU in AAA-Users    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    ${onu_port}
-        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
         # Verify subscriber access flows are added for the ONU port
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s
@@ -305,7 +305,7 @@
         ...    Check Ping    False    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
         ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
         # Remove Subscriber Access (To replicate ATT workflow)
-        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command    ${ONOS_SSH_IP}
+        Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-remove-subscriber-access ${of_id} ${onu_port}
     END
     #Enable the OLT back and check ONU, OLT status are back to "ACTIVE"