use single ssh connection to onos
It belongs to VOL-4041 and is the second part.
Keyword 'Execute ONOS CLI Command on open connection' is deprecated
and is replaced by keyword
'Execute ONOS CLI Command use single connection' for all test suites
and libraries.

Change-Id: Ib5078b50d22e812e927e437a0e6f0e249f95ee9a
diff --git a/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot b/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot
index 3f0b451..eab6545 100755
--- a/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot
+++ b/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot
@@ -172,8 +172,6 @@
     ...    kvstoreprefix:${kvstoreprefix}
     Log    ${LogInfo}    console=yes
     Common Test Suite Setup
-    ${onos_ssh_connection}    Open ONOS SSH Connection    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
-    Set Suite Variable  ${onos_ssh_connection}
     # delete etcd MIB Template Data
     Delete MIB Template Data
     # delete etcd onu data
@@ -191,7 +189,7 @@
     Run Keyword If    ${usekill2restart}    Restart Pod    ${namespace}    open-onu
     Run Keyword Unless    ${etcdcheckintestteardown}    Wait Until Keyword Succeeds    ${timeout}    1s
     ...    Validate Onu Data In Etcd    0    ${kvstoreprefix}    without_pm_data=False
-    Wait for Ports in ONOS for all OLTs      ${onos_ssh_connection}  0   BBSM    ${timeout}
+    Wait for Ports in ONOS for all OLTs      ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}  0   BBSM    ${timeout}
     Close All ONOS SSH Connections
 
 Setup Test
@@ -299,7 +297,7 @@
     Run Keyword If    "${workflow}"=="DT"    Current State Test All Onus    omci-admin-lock
     ...    ELSE IF    "${workflow}"=="TT"    Current State Test All Onus    omci-admin-lock
     ...    ELSE       Current State Test All Onus    omci-admin-lock    alternativeonustate=${alternativeonustates}
-    Wait for all ONU Ports in ONOS Disabled    ${onos_ssh_connection}
+    Wait for all ONU Ports in ONOS Disabled    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
     Enable Onu Device
     Run Keyword If    "${workflow}"=="DT"    Perform Sanity Test DT     ${suppressaddsubscriber}
     ...    ELSE IF    "${workflow}"=="TT"    Perform Sanity Tests TT    ${suppressaddsubscriber}
@@ -338,7 +336,7 @@
     Run Keyword If    "${workflow}"=="DT"    Current State Test All Onus    omci-admin-lock
     ...    ELSE IF    "${workflow}"=="TT"    Current State Test All Onus    omci-admin-lock
     ...    ELSE       Current State Test All Onus    omci-admin-lock    alternativeonustate=${alternativeonustates}
-    Wait for all ONU Ports in ONOS Disabled    ${onos_ssh_connection}
+    Wait for all ONU Ports in ONOS Disabled    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
     Enable Onu Device
     Run Keyword If    "${workflow}"=="DT"    Perform Sanity Test DT     ${suppressaddsubscriber}
     ...    ELSE IF    "${workflow}"=="TT"    Perform Sanity Tests TT    ${suppressaddsubscriber}