Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/bocelli.uchetprosto.ru/vendor/phpunit/php-timer/tests/TimerTest.php:17 Stack trace: #0 {main} thrown in /var/www/bocelli.uchetprosto.ru/vendor/phpunit/php-timer/tests/TimerTest.php on line 17