Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/tcaip/driveupload.tcaip.com/vendor/symfony/dom-crawler/Tests/Field/FormFieldTestCase.php:16 Stack trace: #0 {main} thrown in /home/tcaip/driveupload.tcaip.com/vendor/symfony/dom-crawler/Tests/Field/FormFieldTestCase.php on line 16