fix mascara warnings

3 files changed, 6 insertions, 7 deletions

diff --git a/mascara/test/helpers.js b/mascara/test/helpers.js
index 08a0a9a7f..8fc5c816b 100644
--- a/mascara/test/helpers.js
+++ b/mascara/test/helpers.js
@@ -1,4 +1,4 @@
-function wait (time) {
+export default function wait (time) {
   return new Promise(function (resolve, reject) {
     setTimeout(function () {
       resolve()
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 c40b57300..0439fbba3 100644
--- a/mascara/test/util/mascara-test-helper.js
+++ b/mascara/test/util/mascara-test-helper.js
@@ -2,15 +2,16 @@ 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 () {