T S Vallender

Different people have different standards for the speed of unit tests and of their test suites. David Heinemeier Hansson is happy with a compile suite that takes a few seconds and a commit suite that takes a few minutes. Gary Bernhardt finds that unbearably slow, insisting on a compile suite of around 300ms and Dan Bodart doesn't want his commit suite to be more than ten seconds
From https://martinfowler.com/bliki/UnitTest.html

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