Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /srv/www/comaea/public_html/wp-content/plugins/ameliabooking/vendor/microsoft/microsoft-graph/tests/Http/GraphRequestTest.php:9 Stack trace: #0 {main} thrown in /srv/www/comaea/public_html/wp-content/plugins/ameliabooking/vendor/microsoft/microsoft-graph/tests/Http/GraphRequestTest.php on line 9