diff --git a/test/webdriver.spec.js b/test/webdriver.spec.js
index fdc07cf9033a987cef82378eb128a7dccfd7c7f9..2e3480aa2f010bee8505a8ff7c89ad54a65a1410 100644
--- a/test/webdriver.spec.js
+++ b/test/webdriver.spec.js
@@ -13,7 +13,7 @@ const By = WebDriver.By
 const PuppetWebBrowser  = require('../src/puppet-web/browser')
 const PuppetWebBridge   = require('../src/puppet-web/bridge')
 
-test('WebDriver process create & quit test', function(t) {
+test('WebDriver process create & quit test', t => {
   co(function* () {
     const b = new PuppetWebBrowser()
     t.ok(b, 'should instanciate a browser')
@@ -34,7 +34,7 @@ test('WebDriver process create & quit test', function(t) {
     pids = yield b.getBrowserPids()
     t.equal(pids.length, 0, 'no driver process after quit')
   })
-  .catch(e => { t.fail(e) })
+  .catch(e => t.fail(e))
   .then(_ => t.end())
 
   return