Fatal error: Uncaught Error: Class 'React\Tests\Promise\Stream\TestCase' not found in /home/user1111058/www/dev.companysam.by/vendor/react/promise-stream/tests/UnwrapReadableTest.php:12
Stack trace:
#0 {main}
thrown in /home/user1111058/www/dev.companysam.by/vendor/react/promise-stream/tests/UnwrapReadableTest.php on line 12