Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/rijschoolmk/xibo.rijschool-mk.be/vendor/symfony/console/Tests/Formatter/OutputFormatterTest.php:18 Stack trace: #0 {main} thrown in /home/rijschoolmk/xibo.rijschool-mk.be/vendor/symfony/console/Tests/Formatter/OutputFormatterTest.php on line 18