I would like to see additional commands added to the test server. Specifically I would like to see:
/additem "Item Name" - Adds item to your inventory.
/addkeyitem "Key Item Name" - Adds key item to your collection.
/setHP "Number or 'Full'" - Sets your current HP to desired value, or to 100% if "Full."
/setMP "Number or 'Full'" - Sets your current MP to desired value, or to 100% if "Full."
/Invincible - Adds Damage Taken -100% effect.
/Reset - Resets all Job Ability and Spell recast timers.
/Reset "Spell or JA Name" - Resets recast timer for certain Spell or Job Ability.
/Warp "Area" - Warps character to desired area. Only areas available to warp to are the same areas available through Moogle.
I can't think of any others at the moment. I don't know the difficulty level of implementing these commands, but I think they would benefit us to have access to.