Merge pull request #966 from petk/patch-pest

Add Pest

Author: Xymph

_posts/11-02-01-Test-Driven-Development.md

@@ -38,6 +38,7 @@ are several alternatives:
 * [atoum](https://github.com/atoum/atoum)
 * [Kahlan](https://github.com/kahlan/kahlan)
 * [Peridot](https://peridot-php.github.io/)
+* [Pest](https://pestphp.com/)
 * [SimpleTest](https://github.com/simpletest/simpletest)
 
 ### Integration Testing