You can use this tool to perform functional regression testing.

您可以使用这款工具，来执行功能性回归测试。

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Regardless of what system you use and what functional and regression testing you do when your application is deployed for production, you can still get errors that are unavoidable.

无论使用什么系统，无论在将应用程序部署到生产环境中时进行什么样的功能和回归测试，您仍然会碰到一些无法避免的错误。

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Now I'll walk you through recording three functional test scripts for regression testing purposes.

现在我将带你进入为了回归测试的目的而记录三个功能测试的步骤。

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