Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/hubspot/api-client/tests/Unit/Utils/OAuth2Test.php:12 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/hubspot/api-client/tests/Unit/Utils/OAuth2Test.php on line 12