fix unit tests by allowing test jig to take over other jigs and then being tolerant of the resulting minor errors
remove log protections because I found root cause of issue (and fixed it)
Merge pull request #71 from cloudedge/pull-req-master-49bb3a6e7c547e86059972236176f307d83b19a8

https://github.com/crowbar/barclamp-dns/pull/71

Merged by devtool for VictorLowther