Test:
    Testing:
        -
            - Do it
            - pref: syspref_1
              choices:
                  on: certainly
                  off: "I don't think so"
        -
            - pref: syspref_2
              choices:
                  '': Do
                  dont: "Don't do"
                  0: "really don't do"
            - it.
        -
            - "We love unicode"
            - pref: syspref_3
              choices:
                  ★ : ❤️
                  no: "Not really"
        -
            - "List of fields"
            - pref: syspref_4
              choices:
                  "16" : "16"
                  "020": "020"
                  "123": "123"