This commit makes several changes to the operation tests as follows:
- Ensure the database is closed between each operational mode test as
otherwise the database is locked when trying to reopening it which
makes it unusable
- Make the insert tests error after a single failure since every test
afterwards is guaranteed to fail as well
- Remove some of the logging statements which cluttered up the failed test
prints making it harder to see why a given test failed
- Make a couple of the log messages more descriptive
The function is being added back in since the tests rely on it, but it is
marked as DEPRECATED since it really should not be a part of the public
generic db interface.
