def METHOD_NAME(coding_systems_tmp_path):
    # A CodingSystemRelease is created for null/opcs4 coding systems, but
    # is not associated with a database, so they don't get added to the database
    # connections
    null_coding_system_release = CodingSystemRelease.objects.create(
        coding_system="null",
        release_name="null",
        import_ref="ref",
        valid_from=datetime(2022, 10, 1, tzinfo=timezone.utc),
        state=ReleaseState.READY,
    )
    update_coding_system_database_connections()
    assert null_coding_system_release.database_alias not in connections.databases