Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/changeco/public_html/vendor/phpunit/php-token-stream/tests/Token/NamespaceTest.php:13 Stack trace: #0 {main} thrown in /home/changeco/public_html/vendor/phpunit/php-token-stream/tests/Token/NamespaceTest.php on line 13