Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/custom/public_html/katiekarr/vendor/symfony/translation/Test/ProviderTestCase.php:29 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/symfony/translation/Test/ProviderTestCase.php on line 29