Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/intentexperts/public_html/intentex/install-dir/vendor/drupal/rat/tests/src/v1/RenderArrayTest.php:12 Stack trace: #0 {main} thrown in /home/intentexperts/public_html/intentex/install-dir/vendor/drupal/rat/tests/src/v1/RenderArrayTest.php on line 12