diff --git a/src/test/java/org/opensearch/ad/task/ADTaskManagerTests.java b/src/test/java/org/opensearch/ad/task/ADTaskManagerTests.java
index 69f77b851..08645a279 100644
--- a/src/test/java/org/opensearch/ad/task/ADTaskManagerTests.java
+++ b/src/test/java/org/opensearch/ad/task/ADTaskManagerTests.java
@@ -128,7 +128,9 @@
 import org.opensearch.search.SearchHits;
 import org.opensearch.search.aggregations.InternalAggregations;
 import org.opensearch.search.internal.InternalSearchResponse;
+import org.opensearch.telemetry.tracing.noop.NoopTracer;
 import org.opensearch.threadpool.ThreadPool;
+import org.opensearch.transport.Transport;
 import org.opensearch.transport.TransportResponseHandler;
 import org.opensearch.transport.TransportService;
 
@@ -233,7 +235,16 @@ public void setUp() throws Exception {
         detectionIndices = mock(AnomalyDetectionIndices.class);
         adTaskCacheManager = mock(ADTaskCacheManager.class);
         hashRing = mock(HashRing.class);
-        transportService = mock(TransportService.class);
+        transportService = new TransportService(
+            Settings.EMPTY,
+            mock(Transport.class),
+            null,
+            TransportService.NOOP_TRANSPORT_INTERCEPTOR,
+            x -> null,
+            null,
+            Collections.emptySet(),
+            NoopTracer.INSTANCE
+        );
         threadPool = mock(ThreadPool.class);
         threadContext = new ThreadContext(settings);
         when(threadPool.getThreadContext()).thenReturn(threadContext);