Important: #80606 - Testing Framework Removal / Use composer package instead ¶
See Issue #80606
The TYPO3 core base testing classes were moved to a separate composer package and removed from the TYPO3 core. If you want to continue using the testing framework classes please use composer and require the package typo3/testing-framework .
To make sure you don’t run into path issues, you can set the following environment variable:
The path to your TYPO3 root directory