var webdriverio = require('webdriverio');
var options = { desiredCapabilities: { browserName: 'chrome' } };
var client = webdriverio.remote(options);
client
    .init()
    .url('https://mail.google.com/')
    .pause(2000)
    .setValue('input#identifierId', 'petruuuuuuuuuuuuuuuuuuuu')
    .pause(2000)
    .click('div#identifierNext')
    .pause(2000)
    .setValue('input.whsOnd.zHQkBf', 'petru123') //the program blocks here
    .pause(2000)
    .click('div#passwordNext');
    .end();