diff --git a/tests/fixtures/src/index.js b/tests/fixtures/src/index.js
index 6ec79fa..adaa390 100644
--- a/tests/fixtures/src/index.js
+++ b/tests/fixtures/src/index.js
@@ -1,3 +1,3 @@
-export default function () {
+export default function hey() {
   return 'hey'
 }
diff --git a/tests/index.test.js b/tests/index.test.js
index 17b8772..9bd0afe 100644
--- a/tests/index.test.js
+++ b/tests/index.test.js
@@ -6,7 +6,7 @@ import del from '../src'
 process.chdir(`${__dirname}/fixtures`)
 
 function sleep(ms) {
-  return new Promise((resolve) => setTimeout(resolve, ms))
+  return new Promise((resolve) => { setTimeout(resolve, ms) })
 }
 
 async function build(options) {