Fatal error: Uncaught Error: Class 'Magento\Catalog\Model\Product\Attribute\Save\AbstractAttributeTest' not found in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Swatches/Model/AttributeVisualSwatchTest.php:17 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/dev/tests/integration/testsuite/Magento/Swatches/Model/AttributeVisualSwatchTest.php on line 17