Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /mnt/www/fss/crm/vendor/symfony/console/Tests/Tester/ApplicationTesterTest.php:19 Stack trace: #0 {main} thrown in /mnt/www/fss/crm/vendor/symfony/console/Tests/Tester/ApplicationTesterTest.php on line 19