You must also provide a location where the server instance should run (localhost is typical, but not required) and then the base URL for the application under test.
您还必须提供运行服务器实例的位置(通常是localhost，但不是必须的)，以及被测试的应用程序使用的基url。
The XML data provider usually is accessible using the string url, which contains the server name, the required service, and the supported parameters.
XML数据提供程序通常可以使用字符串url进行访问，该URL中包含服务器名称、所需的服务和支持的参数。
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