Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /data/htmlwww/laravel-system/vendor/intervention/image/tests/PsrResponseCommandTest.php:5 Stack trace: #0 {main} thrown in /data/htmlwww/laravel-system/vendor/intervention/image/tests/PsrResponseCommandTest.php on line 5