test_file_handline test is broken

[msgmaxim]

While this test passes if the local database is set up accordingly (according to @hjubb), a simple test like that shouldn't be sensitive to the environment in which it is run or require any manual setup. An in-memory database with a setup done in code before the test is run would make a lot more sense.

[msgmaxim]

So the test required the database to removed and re-generated by the test. #9 changes the tests to use an in-memory database, so these kind of issues don't happen in the future.