Getting Started With AsUnit 3.0 and FlashDevelop3 in AS3 (Unit Tests) This is a guide to get AsUnit to work with FlashDevelop. I assume that you have a working installation of FlashDevelop up and running. If not you may use this guide http://www.theyak.net/flashdevelop/ to get there. For this guide I used FlashDevelop 3.0.0 Beta7 and AsUnit 3.0 2007-10-11 version (release 162). 1. Download AsUnit