Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/clienti2020/public_html/novaballet.it/vendor/phpunit/php-code-coverage/tests/tests/FilterTest.php:15 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/phpunit/php-code-coverage/tests/tests/FilterTest.php on line 15