C: A02 LIST (SUBSCRIBED) "" "*"
  S: * LIST (\Marked \NoInferiors \Subscribed) "/" "inbox"
  S: * LIST (\Subscribed) "/" "Fruit/Banana"
  S: * LIST (\Subscribed \NonExistent) "/" "Fruit/Peach"
  S: * LIST (\Subscribed) "/" "Vegetable"
  S: * LIST (\Subscribed) "/" "Vegetable/Broccoli"
  S: A02 OK done