Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app3/public_html/service/vendor/phpdocumentor/reflection-docblock/tests/integration/ModifyBackTraceSafeTest.php:13 Stack trace: #0 {main} thrown in /home/app3/public_html/service/vendor/phpdocumentor/reflection-docblock/tests/integration/ModifyBackTraceSafeTest.php on line 13