py.test

    out = StringIO()
    user_inputs = StringIO("".join([user_data["username"], "\n", user_data["email"], "\n"]))
    monkeypatch.setattr("getpass.getpass", lambda: 'entered password')
    monkeypatch.setattr("sys.stdin", user_inputs)
    management.call_command("create_super_admin", stdout=out)
    output = out.getvalue()

    assert ...