Fatal error: Uncaught Error: Class "Test\TestUtil" not found in /home/kraftsis/public_html/api/vendor/tecnickcom/tc-lib-color/test/Model/GrayTest.php:33 Stack trace: #0 {main} thrown in /home/kraftsis/public_html/api/vendor/tecnickcom/tc-lib-color/test/Model/GrayTest.php on line 33