Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/trairtil/public_html/vendor/symfony/http-foundation/Tests/Test/Constraint/ResponseFormatSameTest.php:24 Stack trace: #0 {main} thrown in /home/trairtil/public_html/vendor/symfony/http-foundation/Tests/Test/Constraint/ResponseFormatSameTest.php on line 24