Run the crash reporter specs with sandbox option.

- Create a function that accepts BrowserWindow options and generates a suite
  that contains the renderer-specific tests.
- Run the function twice to execute the tests with and without sandbox option.

spec/fixtures/module/preload-sandbox.js

@@ -1,6 +1,8 @@
 (function () {
+  const {setImmediate} = require('timers')
   const {ipcRenderer} = require('electron')
   window.ipcRenderer = ipcRenderer
+  window.setImmediate = setImmediate
   if (location.protocol === 'file:') {
     window.test = 'preload'
     window.require = require