Fatal error: Uncaught Error: Class "Magento\TestFramework\TestCase\SetupTestCase" not found in /home/jasainfo/public_html/dev/tests/setup-integration/testsuite/Magento/Setup/SafeInstallerTest.php:19 Stack trace: #0 {main} thrown in /home/jasainfo/public_html/dev/tests/setup-integration/testsuite/Magento/Setup/SafeInstallerTest.php on line 19