Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /data/htmlwww/wookteam/vendor/symfony/mime/Tests/Crypto/SMimeTestCase.php:19 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/symfony/mime/Tests/Crypto/SMimeTestCase.php on line 19