For the ones that are curious what an implementation of [...]
Make sure you write high quality code by writing PowerShell Pester tests. Learn in 3 blog posts how to write your own Powershell Pester Tests.
Writing powershell scripts is one thing. Making sure they answer all your requirements, and that they survive bug fixing is the next step using pester.
Learn how to write pester test in 3 blog posts: Part 3 tackles the 'advanced' concepts of Pester we talk about 'code coverage', 'mocking' and much more!