团队经常要花费60%的测试周期或者更多时间来构建和拆卸数据，给其他团队发电子邮件或者打电话来证实或者重置特定数据场景等等。
Teams often spend 60 percent of the testing life cycle or more setting up and tearing down data, emailing or calling other teams on the phone to validate or reset specific data scenarios, and so on.
这样就提供了在敲打创建模式下进行简单测试设置的功能，并为敲打序列的监听模式提供了一个快速重置选项。
This provides for a simple testing setup during the knock creation mode, and a fast resetting option for knock sequence listen mode.
若在所使用的严格测试过程中可以在每一测试开始前将环境重置回“零状态”，则PWH数据在验证某一测试的重复结果中可能非常有价值。
If you use a strict test process where you can reset an environment back to a "zero state" before each run, the PWH data can be very valuable in proving reproducible results for a test.
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