fix: util.promisify(setTimeout) (#13860)

spec/node-spec.js

@@ -179,6 +179,10 @@ describe('node feature', () => {
       it('can be scheduled in time', (done) => {
         remote.getGlobal('setTimeout')(done, 0)
       })
+
+      it('can be promisified', (done) => {
+        remote.getGlobal('setTimeoutPromisified')(0).then(done)
+      })
     })
 
     describe('setInterval called under Chromium event loop in browser process', () => {

spec/static/main.js

@@ -79,6 +79,8 @@ ipcMain.on('echo', function (event, msg) {
   event.returnValue = msg
 })
 
+global.setTimeoutPromisified = util.promisify(setTimeout)
+
 const coverage = new Coverage({
   outputPath: path.join(__dirname, '..', '..', 'out', 'coverage')
 })