Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/trairtil/public_html/vendor/sebastian/type/tests/unit/ReflectionMapperTest.php:56 Stack trace: #0 {main} thrown in /home/trairtil/public_html/vendor/sebastian/type/tests/unit/ReflectionMapperTest.php on line 56