diff --git a/experimental/babel-preset-env/scripts/smoke-test.js b/experimental/babel-preset-env/scripts/smoke-test.js
index 8c7192f5bf..9340cfaf1a 100755
--- a/experimental/babel-preset-env/scripts/smoke-test.js
+++ b/experimental/babel-preset-env/scripts/smoke-test.js
@@ -44,15 +44,16 @@ try {
     }]
   ]
 }
-    `
+`
   );
 
   fs.writeFileSync(
     path.join(tempFolderPath, "index.js"),
     `
-import "babel-polyfill";
-1 ** 2;
-    `
+const foo = new Promise((resolve) => {
+  resolve(new Map());
+});
+`
   );
 
   process.chdir(tempFolderPath);
@@ -60,6 +61,7 @@ import "babel-polyfill";
   console.log("Running smoke test");
   execSync("npm install && npm run build");
 } catch (e) {
+  console.log(e);
   errorOccurred = true;
 }