Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/devypfrfhn/avancement.devyp.fr/vendor-old/theseer/tokenizer/tests/XMLSerializerTest.php:9 Stack trace: #0 {main} thrown in /home/devypfrfhn/avancement.devyp.fr/vendor-old/theseer/tokenizer/tests/XMLSerializerTest.php on line 9