Use mock log in the test
Replace TODO with an actual test
Can't test log here: depends on context!
test_execute_delete_calls_delete_worker
test_execute_config_auths
test_execute_delete_auths
test_scrub_metadata
Bag it and tag it for the issue tracker

Closes #752.
Merge pull request #782 from rackerlabs/test-bound-log

Test bound logs in supervisor