Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/repo/invoicing-salepropos/vendor/phpunit/php-code-coverage/tests/TestCase.php:16 Stack trace: #0 {main} thrown in /var/www/html/repo/invoicing-salepropos/vendor/phpunit/php-code-coverage/tests/TestCase.php on line 16