错误如下：
org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
Build info: version: '3.0.0-beta3', revision: 'c7b525d', time: '2016-09-01 14:57:03 -0700'
System info: host: 'localhost', ip: '127.0.0.1', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.12.2', java.version: '1.8.0_112-release'
Driver info: driver.version: AndroidDriver
自检通过了呀
暂无回复。