Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/html/autocar/vendor/padraic/phar-updater/tests/Humbug/Test/SelfUpdate/VersionParserTest.php:17 Stack trace: #0 {main} thrown in /var/www/html/autocar/vendor/padraic/phar-updater/tests/Humbug/Test/SelfUpdate/VersionParserTest.php on line 17