Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/tbadigital/eventos/vendor/exercise/htmlpurifier-bundle/tests/HTMLPurifiersRegistryTest.php:9 Stack trace: #0 {main} thrown in /home/tbadigital/eventos/vendor/exercise/htmlpurifier-bundle/tests/HTMLPurifiersRegistryTest.php on line 9