fix: we can not use ts-node apaprently

script/spec-runner.js

@@ -98,7 +98,7 @@ async function runElectronTests () {
 
 async function runRemoteBasedElectronTests () {
   let exe = path.resolve(BASE, utils.getElectronExec())
-  const runnerArgs = ['electron/spec', ...args._]
+  const runnerArgs = ['electron/spec', ...args._.slice(2)]
   if (process.platform === 'linux') {
     runnerArgs.unshift(path.resolve(__dirname, 'dbus_mock.py'), exe)
     exe = 'python'
@@ -116,7 +116,7 @@ async function runRemoteBasedElectronTests () {
 async function runMainProcessElectronTests () {
   const exe = path.resolve(BASE, utils.getElectronExec())
 
-  const { status } = childProcess.spawnSync(exe, ['electron/spec-main', ...args._], {
+  const { status } = childProcess.spawnSync(exe, ['electron/spec-main', ...args._.slice(2)], {
     cwd: path.resolve(__dirname, '../..'),
     stdio: 'inherit'
   })

spec/events-helpers.js

@@ -1,3 +1,42 @@
-require('ts-node/register')
+/**
+ * @fileoverview A set of helper functions to make it easier to work
+ * with events in async/await manner.
+ */
 
-module.exports = require('../spec-main/window-helpers')
+/**
+ * @param {!EventTarget} target
+ * @param {string} eventName
+ * @return {!Promise<!Event>}
+ */
+const waitForEvent = (target, eventName) => {
+  return new Promise(resolve => {
+    target.addEventListener(eventName, resolve, { once: true })
+  })
+}
+
+/**
+ * @param {!EventEmitter} emitter
+ * @param {string} eventName
+ * @return {!Promise<!Array>} With Event as the first item.
+ */
+const emittedOnce = (emitter, eventName) => {
+  return emittedNTimes(emitter, eventName, 1).then(([result]) => result)
+}
+
+const emittedNTimes = (emitter, eventName, times) => {
+  const events = []
+  return new Promise(resolve => {
+    const handler = (...args) => {
+      events.push(args)
+      if (events.length === times) {
+        emitter.removeListener(eventName, handler)
+        resolve(events)
+      }
+    }
+    emitter.on(eventName, handler)
+  })
+}
+
+exports.emittedOnce = emittedOnce
+exports.emittedNTimes = emittedNTimes
+exports.waitForEvent = waitForEvent