问题
Firefox opening blank page when launching browser using Selenium Eclipse with Ruby.
require "selenium-webdriver"
driver = Selenium::WebDriver.for :firefox
driver.navigate.to "http://google.com"
Version selenium 3.0, Firefox 49.0.2, Geckodriver latest
来源：https://stackoverflow.com/questions/40141242/firefox-opening-blank-page-when-launching-browser