diff --git a/src/test/java/org/opensearch/ad/AnomalyDetectorJobRunnerTests.java b/src/test/java/org/opensearch/ad/AnomalyDetectorJobRunnerTests.java
index 97faa29f5..6627bf840 100644
--- a/src/test/java/org/opensearch/ad/AnomalyDetectorJobRunnerTests.java
+++ b/src/test/java/org/opensearch/ad/AnomalyDetectorJobRunnerTests.java
@@ -222,7 +222,7 @@ public void setup() throws Exception {
 
         adJobProcessor.setIndexManagement(anomalyDetectionIndices);
 
-        lockService = new LockService(client, clusterService);
+        lockService = mock(LockService.class);
         doReturn(lockService).when(context).getLockService();
 
         doAnswer(invocation -> {