Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/user1111058/www/dev.companysam.by/vendor/react/dns/tests/Model/MessageTest.php:9 Stack trace: #0 {main} thrown in /home/user1111058/www/dev.companysam.by/vendor/react/dns/tests/Model/MessageTest.php on line 9