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 1d6b815..214a283 100644
--- a/app/src/test/java/org/opencord/cordmcast/impl/McastTestBase.java
+++ b/app/src/test/java/org/opencord/cordmcast/impl/McastTestBase.java
@@ -306,6 +306,11 @@
             }
             return null;
         }
+
+        @Override
+        public boolean isAvailable(DeviceId deviceId) {
+            return true;
+        }
     }
 
      public OutputInstruction outputPort(TrafficTreatment trafficTreatment) {