Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/imdstv/pix/vendor/kayon-ariel/pix-php/tests/PixKeyTest.php:6 Stack trace: #0 {main} thrown in /home/imdstv/pix/vendor/kayon-ariel/pix-php/tests/PixKeyTest.php on line 6