Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/user1111058/www/dev.companysam.by/vendor/react/socket/tests/TestCase.php:11
Stack trace:
#0 {main}
thrown in /home/user1111058/www/dev.companysam.by/vendor/react/socket/tests/TestCase.php on line 11