spec: fix final node and chromium specs after assert change

spec/assert-helpers.js

@@ -1,5 +1,16 @@
+function resolveSingleObjectGetters (object) {
+  if (object && typeof object === 'object') {
+    const newObject = {}
+    for (const key in object) {
+      newObject[key] = resolveGetters(object[key])[0]
+    }
+    return newObject
+  }
+  return object
+}
+
 function resolveGetters (...args) {
-  return args.map(o => JSON.parse(JSON.stringify(o)))
+  return args.map(resolveSingleObjectGetters)
 }
 
 module.exports = {

spec/chromium-spec.js

@@ -7,6 +7,7 @@ const url = require('url')
 const ChildProcess = require('child_process')
 const { ipcRenderer, remote } = require('electron')
 const { closeWindow } = require('./window-helpers')
+const { resolveGetters } = require('./assert-helpers')
 const { app, BrowserWindow, ipcMain, protocol, session, webContents } = remote
 const isCI = remote.getGlobal('isCi')
 const features = process.atomBinding('features')
@@ -457,8 +458,8 @@ describe('chromium feature', () => {
       w.loadFile(path.join(fixtures, 'pages', 'window-open.html'))
       w.webContents.once('new-window', (event, url, frameName, disposition, options) => {
         assert.strictEqual(options.show, false)
-        assert.deepStrictEqual(options.foo, {
+        assert.deepStrictEqual(...resolveGetters(options.foo, {
-          bar: null,
+          bar: undefined,
           baz: {
             hello: {
               world: true
@@ -469,7 +470,7 @@ describe('chromium feature', () => {
               world: true
             }
           }
-        })
+        }))
         done()
       })
     })
@@ -614,7 +615,7 @@ describe('chromium feature', () => {
 
     it('does nothing when origin of current window does not match opener', (done) => {
       listener = (event) => {
-        assert.strictEqual(event.data, undefined)
+        assert.strictEqual(event.data, null)
         done()
       }
       window.addEventListener('message', listener)

spec/node-spec.js

@@ -334,7 +334,7 @@ describe('node feature', () => {
         let iv = Buffer.from('0'.repeat(32), 'hex')
         let input = Buffer.from(data, 'base64')
         let decipher = crypto.createDecipheriv('aes-128-cbc', Buffer.from(key, 'base64'), iv)
-        let result = Buffer.concat([decipher.update(input), decipher.final()])
+        let result = Buffer.concat([decipher.update(input), decipher.final()]).toString('utf8')
         assert.strictEqual(cipherText, result)
       }
     })