test: expect players in 2p var to pick first character
2p var: Prompt for first char and do not tell players their cards

It would be pointless to tell them their characters since they don't
have any at this point!
tets fixup I think
test fixup
test fixup
player_info: Reveal no characters if player hasn't selected first

Behind-the-scenes, we already know what the second character will be,
but in the game, the player wouldn't know (nor would any onlookers).
Nobody will know the difference if we just don't reveal either
character.
tell characters to a player in 2p after he picks his first