DRILL-4286 changes some of the newly added unit tests fail with
List of failed tests:
This can be fixed if /etc/hosts file is edited.
Source - https://stackoverflow.com/questions/40506221/how-to-start-drillbit-locally-in-distributed-mode
Though these changes are required on production during running unit tests I don't think this check should be enforced.
drill.exec.allow_loopback_address_binding -> Allow drillbit to bind to loopback address in distributed mode. Enabled only for testing purposes.