diff --git a/test/helpers.js b/test/helpers.js
index 86217ca..9b55333 100644
--- a/test/helpers.js
+++ b/test/helpers.js
@@ -36,7 +36,7 @@ module.exports.runSync = function runSync(args) {
       `node ${path.resolve('./src/eoc.js')} ${args.join(' ')}`,
       {
         'timeout': 120000,
-        'windowsHide': true
+        'windowsHide': true,
       }
     ).toString();
   } catch (ex) {