diff --git a/tests/api/serial.js b/tests/api/serial.js
index 84132b896..88ab4c3a7 100755
--- a/tests/api/serial.js
+++ b/tests/api/serial.js
@@ -34,6 +34,7 @@ setTimeout(async () =>
 }, 1000);
 
 const timeout = setTimeout(() => {
+    console.log(serial_data);
     throw new Error("Timeout");
 }, 60 * 1000);