Test should run in a standalone database, not the default database.

[gregcorbett]

The tests that make GET requests to the Django server currently run in the default database (which is specified here).

This is bad for development, as the tests may fail if data is present and then erase some but not all of the data.

It's also a risk for those deploying the container, as the tests are part of the container.

[gregcorbett]

One solution is to have the tests run in a separate database when a database is needed.

I have made a start on this branch.