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Scenarios are never the same, and neither should be your Pester scripts to test those scenarios. There are a couple of ways to account for these different scenarios. You could create a separate test ...

Protocol analyzers, data generators, voice-over-IP (VoIP) testers, and other test equipment come with graphical user interfaces (GUIs). Generally, a GUI is all you need to run many test applications, ...

The (narrow but very important) problem: Test scripts used for version 1.0 of an application will probably break when applied to version 2.0 of that application. Testers try to edit old test scripts ...

The Test-Path cmdlet can keep you from going bonkers by offering a little bit of script pre-error-handling. I always encourage people to add as much error handling as ...

The instructions in a test program. It defines the actions and pass/fail criteria. For example, if the action is "to enter a valid account number," the expected result is that the data are accepted.