Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-wishlist/Test/Unit/Controller/Shared/CartTest.php:38 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-wishlist/Test/Unit/Controller/Shared/CartTest.php on line 38