Fatal error: Uncaught Error: Interface 'MockTestInterface' not found in E:\xampp\htdocs\api.astka\vendor\phpunit\phpunit-mock-objects\tests\_fixture\AbstractMockTestClass.php:2 Stack trace: #0 {main} thrown in E:\xampp\htdocs\api.astka\vendor\phpunit\phpunit-mock-objects\tests\_fixture\AbstractMockTestClass.php on line 2