Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /opt/lampp/htdocs/kuesioner/vendor/iatstuti/laravel-cascade-soft-deletes/tests/CascadeSoftDeletesIntegrationTest.php:9 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/iatstuti/laravel-cascade-soft-deletes/tests/CascadeSoftDeletesIntegrationTest.php on line 9