Cícero Alves

I've implemented the changes requested

> Hi [@ciceroadf](https://github.com/ciceroadf) , maybe the `page.close()` method is already finishing the browser if there's only one tab in the browser. > > Try to remove this line and see...

I've tested your suggestion @cleitonleonel, but it didn't seem to work.

Yes! it worked now. clean shutdown.