Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/wwvicp/public_html/API2/vendor/phar-io/manifest/tests/values/PhpExtensionRequirementTest.php:18 Stack trace: #0 {main} thrown in /home/wwvicp/public_html/API2/vendor/phar-io/manifest/tests/values/PhpExtensionRequirementTest.php on line 18