我使用capybara&selenium测试我的rails项目.当我执行测试脚本时,它有这样的错误
Selenium::WebDriver::Error::WebDriverError:
Could not find Firefox binary (os=macosx). Make sure Firefox is installed or set the path manually with Selenium::WebDriver::Firefox::Binary.path=
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但它发生其他错误喜欢
Selenium::WebDriver::Error::WebDriverError:
unable to connect to chromedriver http://127.0.0.1:9515
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