Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/corporatenwocp/public_html/vendor/imgix/imgix-php/tests/Imgix/Tests/ValidatorTest.php:5 Stack trace: #0 {main} thrown in /home/corporatenwocp/public_html/vendor/imgix/imgix-php/tests/Imgix/Tests/ValidatorTest.php on line 5