Fatal error: Uncaught Error: Class 'React\Tests\Dns\TestCase' not found in /home/user1111058/www/dev.companysam.by/vendor/react/dns/tests/Query/HostsFileExecutorTest.php:10 Stack trace: #0 {main} thrown in /home/user1111058/www/dev.companysam.by/vendor/react/dns/tests/Query/HostsFileExecutorTest.php on line 10