update

test/test_js_file_sender.js

@@ -98,7 +98,7 @@ async function test_large_binary_send() {
     
     // Use smartsend with binary type - will automatically use link transport
     // if file size exceeds the threshold (1MB by default)
-    const env = await smartsend(
+    const { env, msg_json_str } = await smartsend(
         SUBJECT,
         [data1, data2],
         {
@@ -112,7 +112,8 @@ async function test_large_binary_send() {
             receiverName: "",
             receiverId: "",
             replyTo: "",
-            replyToMsgId: ""
+            replyToMsgId: "",
+            isPublish: true  // Publish the message to NATS
         }
     );