Rob Sewell shows off the Because parameter in Pester 4.2.0:
This release adds the Because parameter to the all assertions. This means that you can add a reason why the test has failed. As JAKUB JAREŠ writes here
Reasons force you think more
Reasons document your intent
Reasons make your TestCases clearer
Click through for examples galore. 4.2.1 should have a -Parent macro which inputs -Because “I said so”.