1 files changed, 2 insertions, 2 deletions
diff --git a/jstests/core/txns/prepare_transaction_unique_index_conflict.js b/jstests/core/txns/prepare_transaction_unique_index_conflict.js
index db6c370d8c2..e364a1e0a0e 100644
--- a/jstests/core/txns/prepare_transaction_unique_index_conflict.js
+++ b/jstests/core/txns/prepare_transaction_unique_index_conflict.js
@@ -40,5 +40,5 @@
         testDB.runCommand({insert: collName, documents: [{_id: 3, a: 1}], maxTimeMS: 5000}),
         ErrorCodes.MaxTimeMSExpired);
 
-    session.abortTransaction_forTesting();
-})();
-\ No newline at end of file
+    assert.commandWorked(session.abortTransaction_forTesting());
+})();