Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/likach/contao44.lika.ch/vendor/contao/image/tests/PictureGeneratorTest.php:28 Stack trace: #0 {main} thrown in /home/likach/contao44.lika.ch/vendor/contao/image/tests/PictureGeneratorTest.php on line 28