Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/zdiq/public_html/vendor/stack/builder/tests/unit/Stack/StackedHttpKernelTest.php:11 Stack trace: #0 {main} thrown in /home/zdiq/public_html/vendor/stack/builder/tests/unit/Stack/StackedHttpKernelTest.php on line 11