Add spec for electron module require

spec/node-spec.js

@@ -3,7 +3,8 @@ const child_process = require('child_process')
 const fs = require('fs')
 const path = require('path')
 const os = require('os')
-const remote = require('electron').remote
+const {remote} = require('electron')
+const {BrowserWindow, ipcMain} = remote
 
 describe('node feature', function () {
   var fixtures = path.join(__dirname, 'fixtures')
@@ -228,4 +229,33 @@ describe('node feature', function () {
       require('vm').runInNewContext('')
     })
   })
+
+  describe.only('require("electron")', function () {
+    let window = null
+
+    beforeEach(function () {
+      if (window != null) {
+        window.destroy()
+      }
+      window = new BrowserWindow({
+        show: false,
+        width: 400,
+        height: 400
+      })
+    })
+
+    afterEach(function () {
+      if (window != null) {
+        window.destroy()
+      }
+      window = null
+    })
+
+    it('always returns the internal electron module', function (done) {
+      ipcMain.once('answer', function () {
+        done()
+      })
+      window.loadURL('file://' + path.join(__dirname, 'fixtures', 'api', 'electron-module-app', 'index.html'))
+    })
+  })
 })