Fatal error: Uncaught Error: Class 'SwaggerTests\SwaggerTestCase' not found in /mnt/volume_lon1_01/backend/admin/vendor/zircote/swagger-php/tests/ValidateRelationsTest.php:12 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/zircote/swagger-php/tests/ValidateRelationsTest.php on line 12