Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/flighto/.drivee/vendor/riverline/multipart-parser/tests/StreamedPartTest.php:19 Stack trace: #0 {main} thrown in /home/flighto/.drivee/vendor/riverline/multipart-parser/tests/StreamedPartTest.php on line 19