Fatal error: Uncaught Error: Class "Magento\TestFramework\Helper\Bootstrap" not found in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Catalog/_files/multiselect_attribute_with_source_model.php:8 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Catalog/_files/multiselect_attribute_with_source_model.php on line 8