[MERGE] Convert tests.blackbox.test_[status|update] to use internals where appropriate

[John Arbash Meinel]

John Arbash Meinel has voted approve.
Status is now: Semi-approved
Comment:
This seems pretty straightforward


For details, see: 
http://bundlebuggy.aaronbentley.com/request/%3C46B924A1.40104%40warwick.ac.uk%3E