Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/html/escosoft/_lib/libraries/sys/composer/vendor/peppeocchi/php-cron-scheduler/tests/GO/SchedulerTest.php:8 Stack trace: #0 {main} thrown in /var/www/html/escosoft/_lib/libraries/sys/composer/vendor/peppeocchi/php-cron-scheduler/tests/GO/SchedulerTest.php on line 8