Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/Setup/Test/Unit/Patch/PatchApplierTest.php:33 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/Setup/Test/Unit/Patch/PatchApplierTest.php on line 33