Fatal error: Uncaught Error: Class 'OpenApi\Tests\OpenApiTestCase' not found in /home/itscm/dev.its.cm/webserivesits/vendor/zircote/swagger-php/tests/UtilTest.php:9 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/zircote/swagger-php/tests/UtilTest.php on line 9