like in register_instrument
Make that change, and add a test to obs_base like the ingest_tests.py that obs packages can run to ensure that these commands work. At the moment it can run create -> register-instrument -> write-curated-calibrations and ensure they work (with write-curated-calirations using the name not the class).
Also add a test_cli.py file to each obs package specfiying the instrument class, e.g. make obs_decam/subaru/lsst have a trivial test file that inherits from it and specifies the instrument class to use.
Found during development of the test, the docstrings in obs_base utils.py getInstrument.py and instrument_option are wrong and should indicate "canonical name of the instrument or the fully qualified Instrument class name".