Draco meteor should decrease the user's special attack by 2.

[dyc3]

Current Behavior

Draco meteor does not change the user's stat modifiers.

Expected Behavior

Draco meteor should decrease the user's special attack by 2.

https://bulbapedia.bulbagarden.net/wiki/Draco_Meteor_(move)

Draco meteor has the meta category: MoveMetaCategoryDamageRaise, so all moves in this category should have this behavior (damage and chance to modify the user's stat)

Additional context

Premade test:

pokemonbattlelib/battle_move_effects_test.go

Lines 125 to 144 in 88bc48f

	PIt("should deal damage and modify the user's stat (MoveMetaCategoryDamageRaise)", func() {
	b := New1v1Battle(
	GeneratePokemon(PkmnMightyena, WithLevel(20), WithMoves(TestMoveDamageAndStatChangeSelf)), &a1,
	GeneratePokemon(PkmnPonyta, WithLevel(20), WithMoves(TestMoveNoDamage)), &a1,
	)
	b.rng = AlwaysRNG()
	Expect(b.Start()).To(Succeed())
	t, _ := b.SimulateRound()
	Expect(t).To(HaveTransactionsInOrder(
	DamageTransaction{
	Target: target{1, 0},
	},
	ModifyStatTransaction{
	Target: target{0, 0},
	SelfInflicted: true,
	Stat: int(b.getPokemon(target{0, 0}).Moves[0].AffectedStat()),
	Stages: int(b.getPokemon(target{0, 0}).Moves[0].StatStages()),
	},
	))
	})