pop up a fake save

tests/drivers/popup_fake_save.lua

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+-- Driver: drops a fake 3-mon party into the overworld and then gets out
+-- of the way -- yields forever without ever touching input itself, so
+-- real keyboard/controller play works normally from here on. This is
+-- just a quick way to pop up a playable window with Pokemon already in
+-- the party, not a scripted playthrough.
+return function(game)
+  local U = dofile("tests/drivers/util.lua")
+  local Pokemon = require("src.pokemon.Pokemon")
+
+  game.save.party = {
+    Pokemon.new(game.data, "CHARIZARD", 50),
+    Pokemon.new(game.data, "PIKACHU", 30),
+    Pokemon.new(game.data, "SNORLAX", 77),
+  }
+  game.save.player.name = "bryan"
+
+  U.teleport(game, "PALLET_TOWN", 10, 8, "down")
+  U.log("popup_fake_save: party ready, handing off to real input")
+
+  while true do
+    coroutine.yield()
+  end
+end