diff --git a/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/OpenstackNetworkManagerTest.java b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/OpenstackNetworkManagerTest.java
index 866aa55..8104c65 100644
--- a/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/OpenstackNetworkManagerTest.java
+++ b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/OpenstackNetworkManagerTest.java
@@ -632,6 +632,14 @@
         }
 
         @Override
+        public void addVfPort(OpenstackNode osNode, String portName) {
+        }
+
+        @Override
+        public void removeVfPort(OpenstackNode osNode, String portName) {
+        }
+
+        @Override
         public void addListener(OpenstackNodeListener listener) {
             listeners.add(listener);
         }