minetest.register_on_joinplayer(function(player)
    minetest.debug("[MiniTest] "..player:get_inventory():get_width("craft"))
    player:get_inventory():set_width("craft", 2)
    player:set_inventory_formspec(
        "invsize[8,7.5;]"..
        "image[1,0.6;1,2;player.png]"..
        "list[current_player;main;0,3.5;8,4;]"..
        "list[current_player;craft;3.2,0.5;2,2;]"..
        "list[current_player;craftpreview;7,1;1,1;]")
end)