PHPunit Slowness Performance Suggestions
PHPUnit Is Slowness
I love PHPUnit don’t get me wrong. More than a testing library, I like testing, or having tests. It’s like the code got yo back bro! Build code that lasts.
EDIT: I know most of the problems are inherent with tests not the testing framework. However, my requirements dictate how I use it to a certain extent. Peace.
PHPUnit is painfully slow.

Seriously. Though. Maybe having a concurrent environment it can run it would help. I worked at a place with 65,000 unit tests and if they ran as slow as our unit tests here it would never finish. It was literally taking 30-60 seconds per test. That is 65000 x 60 = 1083 hours or 45 days.