diff --git a/scripts/test.mjs b/scripts/test.mjs
index 6895b046..cb9adcc2 100644
--- a/scripts/test.mjs
+++ b/scripts/test.mjs
@@ -121,10 +121,12 @@ const startSampleAndRun = async () => {
   // commands
   const runApp =
     build === BUILD_TYPE.dev ? runAppOnDev(params) : runAppOnProd(params);
-  const runTest = `wait-on -t ${defaultTimeout} ${waitOnOption} && curl -o /dev/null -s -w "%{http_code}" http://localhost:3000/main.bundle.js`;
+  const runTest = `wait-on -t ${defaultTimeout} ${waitOnOption} && curl -o /dev/null -s -w "%{http_code}" http://localhost:3000/main.bundle.js |
+  xargs -I {} sh -c 'if [ "{}" = "200" ]; then exit 0; else echo "Received status code: {}"; exit 1; fi'`;
 
   const { result } = concurrently([runApp, runTest], {
     killOthers: ['success', 'failure'],
+    successCondition: ['first'],
   });
   return result
     .then((results) => {