{
    "cli": "autograder.cli.users.upsert-file",
    "arguments": [
        '--user', 'server-admin@test.edulinq.org',
        '--pass', 'server-admin',
        '__DATA_DIR__(upsertfile_base.txt)',
    ],
}
---
{
    "results": [
        {
            "added": true,
            "email": "new-user@test.edulinq.org"
        },
        {
            "email": "server-admin@test.edulinq.org",
            "modified": true
        }
    ]
}
