Fix integration tests. Add config variable with settings

[vladdancer]

• Do a rollback to this throw new \RuntimeException
• Add $config to settings.php or settings.local.php
• make throw new \RuntimeException return non-zero code

[vladdancer]

We should do a rollback this throw new \RuntimeException

Currently we have.

file_put_contents('php://stderr', $message);
exit(1);

Until we add
http://stackoverflow.com/questions/10520390/stop-script-execution-upon-notice-warning