spec: add helper to resolve property getters

spec/api-browser-window-spec.js

@@ -10,6 +10,7 @@ const qs = require('querystring')
 const http = require('http')
 const { closeWindow } = require('./window-helpers')
 const { emittedOnce } = require('./events-helpers')
+const { resolverGetters } = require('./assert-helpers')
 const { ipcRenderer, remote, screen } = require('electron')
 const { app, ipcMain, BrowserWindow, BrowserView, protocol, session, webContents } = remote
 
@@ -1729,7 +1730,7 @@ describe('BrowserWindow module', () => {
           assert.strictEqual(test.pid, w.webContents.getOSProcessId())
           assert.strictEqual(test.arch, remote.process.arch)
           assert.strictEqual(test.platform, remote.process.platform)
-          assert.deepStrictEqual(test.env, remote.process.env)
+          assert.deepStrictEqual(...resolverGetters(test.env, remote.process.env))
           assert.strictEqual(test.execPath, remote.process.helperExecPath)
           assert.strictEqual(test.resourcesPath, remote.process.resourcesPath)
           assert.strictEqual(test.sandboxed, true)

spec/assert-helpers.js

@@ -0,0 +1,7 @@
+function resolverGetters (...args) {
+  return args.map(o => JSON.parse(JSON.stringify(o)))
+}
+
+module.exports = {
+  resolverGetters,
+}