Investigate automating BATS tests

[alanking]

There are a few BATS tests in this repository that are not run along with the python unittest tests. We should look into how to run these automatically along with the other tests.

[d-w-moore]

This can wait until 2.1.1

[alanking]

As part of this effort, be sure to convert login_auth_test_must_run_manually.py to a BATS test as well. See #566.