Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/yukonw3creatives/public_html/vendor/halaxa/json-machine/test/JsonMachineTest/ItemsOptionsTest.php:15 Stack trace: #0 {main} thrown in /home/yukonw3creatives/public_html/vendor/halaxa/json-machine/test/JsonMachineTest/ItemsOptionsTest.php on line 15