Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/huionetr/public_html/vendor/theseer/tokenizer/tests/NamespaceUriTest.php:9 Stack trace: #0 {main} thrown in /home/huionetr/public_html/vendor/theseer/tokenizer/tests/NamespaceUriTest.php on line 9