diff --git a/app/src/test/java/org/opencord/cordmcast/impl/McastTestBase.java b/app/src/test/java/org/opencord/cordmcast/impl/McastTestBase.java
index 17ad11b..986c175 100644
--- a/app/src/test/java/org/opencord/cordmcast/impl/McastTestBase.java
+++ b/app/src/test/java/org/opencord/cordmcast/impl/McastTestBase.java
@@ -168,6 +168,11 @@
         public VlanId egressVlan() {
             return VlanId.vlanId("4000");
         }
+
+        @Override
+        public VlanId egressInnerVlan() {
+            return VlanId.NONE;
+        }
     }
 
     /**