例如，如果您经常切换工作区，并且忘了从先前的工作区中删除项目，您可以将单元测试环境恢复到初始状态。

If for example you switch workspaces frequently, and forgot to remove projects from previous workspaces, you could rest the Unit Test Environment back to its initial state.

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这些单元易于存储和恢复。

These units are easy to store and to restore.

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例如，当创建用例和支持性工件时，一个单元测试人员可以恢复合适的类来验证。

For example, when use cases and supporting tools are created, a unit tester can retrieve the appropriate class to verify.

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