TYPO3 testing framework for core and extensions
TYPO3 testing framework that provides base classes and configuration for PHPUnit tests
WordPress test framework has been refactored and now support autoloading via Composer. Still experimental.
HTTP Smoke Testing for your Slim Framework based application
Magento2 Functional Testing Framework
A lightweight testing framework for PHP.
The Laravel Framework.
CodeIgniter with integrated libraries to facilitate unit-testing with phpUnit