Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/changeco/public_html/vendor/nikic/php-parser/test/PhpParser/Builder/TraitTest.php:15 Stack trace: #0 {main} thrown in /home/changeco/public_html/vendor/nikic/php-parser/test/PhpParser/Builder/TraitTest.php on line 15