Fatal error: Uncaught Error: Class "Google\Cloud\Vision\Tests\System\VisionTestCase" not found in D:\xampp\htdocs\SSWPOS\vendor\google\cloud-vision\tests\System\AnnotationsTest.php:36 Stack trace: #0 {main} thrown in D:\xampp\htdocs\SSWPOS\vendor\google\cloud-vision\tests\System\AnnotationsTest.php on line 36