Fatal error: Uncaught Error: Class "Herrera\PHPUnit\TestCase" not found in /home/devmindz/public_html/fedex_api/php/vendor/herrera-io/version/src/tests/lib/Herrera/Version/Tests/VersionTest.php:8 Stack trace: #0 {main} thrown in /home/devmindz/public_html/fedex_api/php/vendor/herrera-io/version/src/tests/lib/Herrera/Version/Tests/VersionTest.php on line 8