Fatal error: Uncaught Error: Class 'PHPShopify\TestSimpleResource' not found in /home/dvidiv74/public_html/savi-customs/vendor/phpclassic/php-shopify/tests/CollectionTest.php:5 Stack trace: #0 {main} thrown in /home/dvidiv74/public_html/savi-customs/vendor/phpclassic/php-shopify/tests/CollectionTest.php on line 5