Magento\Framework\Exception\LocalizedException: Setting 'TESTS_INSTALL_CONFIG_FILE' specifies the non-existing file ''. in /home/dev/htdocs/brick-lane-bikes/dev/tests/integration/framework/Magento/TestFramework/Bootstrap/Settings.php:104
Stack trace:
#0 /home/dev/htdocs/brick-lane-bikes/dev/tests/integration/framework/bootstrap.php(53): Magento\TestFramework\Bootstrap\Settings->getAsConfigFile()
#1 {main}