用了呀。但还是报错了。
RemoteTestNG] detected TestNG version 6.14.2 FAILED: test org.openqa.selenium.WebDriverException: Cannot find firefox binary in PATH. Make sure firefox is installed. OS appears to be: WIN10 Build info: version: 'unknown', revision: '5234b32', time: '2017-03-10 09:00:17 -0800'