Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/ramassof/backup.ramas.dev/vendor/aws/aws-sdk-php/tests/Exception/CouldNotCreateChecksumExceptionTest.php:9 Stack trace: #0 {main} thrown in /home/ramassof/backup.ramas.dev/vendor/aws/aws-sdk-php/tests/Exception/CouldNotCreateChecksumExceptionTest.php on line 9