diff --git a/js/tests/lt-local.js b/js/tests/lt-local.js
index 6b3fd35ddd..ba361c2cd6 100644
--- a/js/tests/lt-local.js
+++ b/js/tests/lt-local.js
@@ -19,6 +19,7 @@ if (process.env.LAMBDATEST === 'true') {
   (async () => {
     try {
       await tunnelInstance.start(tunnelArguments)
+      await new Promise(res => setTimeout(res, 5000))
     } catch (error) {
       console.log(error.message)
     }