removing all hardcoded references to the namespace

Change-Id: I9b5ddc065be62b3ad2a5a4757a88001faca61146
diff --git a/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot b/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot
index 5a22947..18c6b88 100755
--- a/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot
+++ b/tests/openonu-go-adapter/Voltha_ONUReconcileTests.robot
@@ -242,7 +242,7 @@
     Run Keyword If    ${pausebeforecleanup}    Log    Teardown will be continued...    console=yes
     Run Keyword If    ${teardown_device}    Delete All Devices and Verify
     # delete etcd MIB Template Data
-    Delete MIB Template Data
+    Delete MIB Template Data    ${INFRA_NAMESPACE}
     # check etcd data are empty
     Run Keyword If    ${etcdcheckintestteardown}    Wait Until Keyword Succeeds    ${timeout}    1s
     ...    Validate Onu Data In Etcd    ${INFRA_NAMESPACE}    0    ${kvstoreprefix}    without_pm_data=False