Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/yrdsb11w3creativ/public_html/vendor/ezimuel/guzzlestreams/tests/DroppingStreamTest.php:8 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/vendor/ezimuel/guzzlestreams/tests/DroppingStreamTest.php on line 8