Fatal error: Uncaught Error: Class "Magento\TestFramework\Helper\Bootstrap" not found in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Customer/_files/three_customers.php:6 Stack trace: #0 /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Newsletter/_files/three_subscribers.php(11): require() #1 {main} thrown in /home/jasainfo/public_html/dev/tests/integration/testsuite/Magento/Customer/_files/three_customers.php on line 6