4 files changed, 17 insertions, 17 deletions
diff --git a/mascara/test/helpers.js b/mascara/test/helpers.js
index eede103b4..8fc5c816b 100644
--- a/mascara/test/helpers.js
+++ b/mascara/test/helpers.js
@@ -1,6 +1,6 @@
-function wait(time) {
-  return new Promise(function(resolve, reject) {
-    setTimeout(function() {
+export default function wait (time) {
+  return new Promise(function (resolve, reject) {
+    setTimeout(function () {
       resolve()
     }, time * 3 || 1500)
   })
diff --git a/mascara/test/index.js b/mascara/test/index.js
index 0134cdf00..d62e43705 100644
--- a/mascara/test/index.js
+++ b/mascara/test/index.js
@@ -1,9 +1,9 @@
 var fs = require('fs')
 var path = require('path')
-var browserify = require('browserify');
+var browserify = require('browserify')
 var tests = fs.readdirSync(path.join(__dirname, 'lib'))
 var bundlePath = path.join(__dirname, 'test-bundle.js')
-var b = browserify();
+var b = browserify()
 
 // Remove old bundle
 try {
@@ -14,9 +14,9 @@ try {
 
 var writeStream = fs.createWriteStream(bundlePath)
 
-tests.forEach(function(fileName) {
+tests.forEach(function (fileName) {
   b.add(path.join(__dirname, 'lib', fileName))
 })
 
-b.bundle().pipe(writeStream);
+b.bundle().pipe(writeStream)
 
diff --git a/mascara/test/test-ui.js b/mascara/test/test-ui.js
index b9bc42dff..16b2c206a 100644
--- a/mascara/test/test-ui.js
+++ b/mascara/test/test-ui.js
@@ -1,5 +1,3 @@
-const Helper = require('./util/mascara-test-helper.js')
-
 window.addEventListener('load', () => {
   window.METAMASK_SKIP_RELOAD = true
   // inject app container
diff --git a/mascara/test/util/mascara-test-helper.js b/mascara/test/util/mascara-test-helper.js
index 9cf4fa900..0439fbba3 100644
--- a/mascara/test/util/mascara-test-helper.js
+++ b/mascara/test/util/mascara-test-helper.js
@@ -2,27 +2,29 @@ const EventEmitter = require('events')
 const IDB = require('idb-global')
 const KEY = 'metamask-test-config'
 module.exports = class Helper extends EventEmitter {
-  constructor () {
-    super()
-  }
 
   tryToCleanContext () {
     this.unregister()
     .then(() => this.clearDb())
     .then(() => super.emit('complete'))
-    .catch((err) => super.emit('complete'))
+    .catch((err) => {
+      if (err) {
+        super.emit('complete')
+      }
+    })
   }
 
   unregister () {
     return global.navigator.serviceWorker.getRegistration()
     .then((registration) => {
-      if (registration) return registration.unregister()
+      if (registration) {
+ return registration.unregister()
       .then((b) => b ? Promise.resolve() : Promise.reject())
-      else return Promise.resolve()
+} else return Promise.resolve()
     })
   }
   clearDb () {
-    return new Promise ((resolve, reject) => {
+    return new Promise((resolve, reject) => {
       const deleteRequest = global.indexDB.deleteDatabase(KEY)
       deleteRequest.addEventListener('success', resolve)
       deleteRequest.addEventListener('error', reject)
@@ -33,7 +35,7 @@ module.exports = class Helper extends EventEmitter {
     const db = new IDB({
       version: 2,
       key: KEY,
-      initialState: state
+      initialState: state,
     })
     return db.open()
   }