Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/englcisj/public_html/wp-content/plugins/slim-seo/vendor/elightup/slim-twig/tests/RendererTest.php:6 Stack trace: #0 {main} thrown in /home/englcisj/public_html/wp-content/plugins/slim-seo/vendor/elightup/slim-twig/tests/RendererTest.php on line 6