Revert "Revert "backfilling unit tests for create_local_dns_record""
Revert "Revert "backfilling unit tests for create_local_dns_record""

This reverts commit b09887253659361a82d4b9f35863f8211af46772.

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh