Unit testing JSF based web applications has been considered difficult because of the constraints of testing JSF components outside the container.

因为在容器以外测试JSF组件有所限制，所以大家一直认为对于JSF应用进行单元测试是困难的。

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You can use it for functional, performance, and regression testing of Web applications.

它可以对Web应用程序进行功能、性能和回归测试。

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Testing Web applications: Uses freely available tools to emulate a Web browser and verifies Web application functionality and performance.

测试Web应用程序：使用可以免费获得的工具来模拟Web浏览器，并验证Web应用程序的功能和性能。

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Users can test drive phones--navigating menus and testing applications--via a Web browser and feel almost as if they were holding the handsets in their hands.

FORBES: Ditching The Dummy Handsets