Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/dodom2/public_html/cgilink.biz/vendor/ezimuel/guzzlestreams/tests/FnStreamTest.php:12 Stack trace: #0 {main} thrown in /home/dodom2/public_html/cgilink.biz/vendor/ezimuel/guzzlestreams/tests/FnStreamTest.php on line 12