diff --git a/server/src/internalClusterTest/java/org/opensearch/search/basic/TransportTwoNodesSearchIT.java b/server/src/internalClusterTest/java/org/opensearch/search/basic/TransportTwoNodesSearchIT.java
index 44a043e6d5cf6..888d2cd66e922 100644
--- a/server/src/internalClusterTest/java/org/opensearch/search/basic/TransportTwoNodesSearchIT.java
+++ b/server/src/internalClusterTest/java/org/opensearch/search/basic/TransportTwoNodesSearchIT.java
@@ -128,6 +128,7 @@ private Set<String> prepareData(int numShards) throws Exception {
             fullExpectedIds.add(Integer.toString(i));
         }
         refresh();
+        indexRandomForConcurrentSearch("test");
         return fullExpectedIds;
     }