Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ebdea/public_html/atlas.ebdea.online/vendor/symfony/mime/Tests/Header/UnstructuredHeaderTest.php:17 Stack trace: #0 {main} thrown in /home/ebdea/public_html/atlas.ebdea.online/vendor/symfony/mime/Tests/Header/UnstructuredHeaderTest.php on line 17