Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /data/htmlwww/wookteam/vendor/symfony/mime/Tests/Crypto/DkimSignerTest.php:26 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/symfony/mime/Tests/Crypto/DkimSignerTest.php on line 26