Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/rcmch/test.m-s-i.ch/vendor/typo3/class-alias-loader/tests/Unit/BaseTestCase.php:13 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/typo3/class-alias-loader/tests/Unit/BaseTestCase.php on line 13