Fatal error: Uncaught Error: Class 'React\Tests\EventLoop\TestCase' not found in /home/user1111058/www/dev.companysam.by/vendor/react/event-loop/tests/Timer/AbstractTimerTest.php:8
Stack trace:
#0 {main}
thrown in /home/user1111058/www/dev.companysam.by/vendor/react/event-loop/tests/Timer/AbstractTimerTest.php on line 8