Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/lidia/vendor/zircote/swagger-php/tests/SwaggerTestCase.php:19 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/zircote/swagger-php/tests/SwaggerTestCase.php on line 19