diff --git a/core/api/src/test/java/org/onosproject/store/service/TestStorageService.java b/core/api/src/test/java/org/onosproject/store/service/TestStorageService.java
index d79796c..4901cfa 100644
--- a/core/api/src/test/java/org/onosproject/store/service/TestStorageService.java
+++ b/core/api/src/test/java/org/onosproject/store/service/TestStorageService.java
@@ -25,7 +25,7 @@
 
     @Override
     public <K, V> ConsistentMapBuilder<K, V> consistentMapBuilder() {
-        throw new UnsupportedOperationException("consistentMapBuilder");
+        return TestConsistentMap.builder();
     }
 
     @Override