diff --git a/app/src/test/java/org/opencord/olttopology/impl/OltTopologyTest.java b/app/src/test/java/org/opencord/olttopology/impl/OltTopologyTest.java
index 27eeec7..d4a437c 100644
--- a/app/src/test/java/org/opencord/olttopology/impl/OltTopologyTest.java
+++ b/app/src/test/java/org/opencord/olttopology/impl/OltTopologyTest.java
@@ -574,6 +574,11 @@
         }
 
         @Override
+        public void clearLocalData() {
+
+        }
+
+        @Override
         public void invalidateAll() {
         }