Add additional test for 10% PC Zygarde

src/test/abilities/power_construct.test.ts

@@ -32,7 +32,7 @@ describe("Abilities - POWER CONSTRUCT", () => {
   });
 
   test(
-    "check if fainted pokemon switches to base form on arena reset",
+    "check if fainted 50% Power Construct Pokemon switches to base form on arena reset",
     async () => {
       const baseForm = 2,
         completeForm = 4;
@@ -41,7 +41,37 @@ describe("Abilities - POWER CONSTRUCT", () => {
         [Species.ZYGARDE]: completeForm,
       });
 
-      await game.startBattle([ Species.MAGIKARP, Species.ZYGARDE ]);
+      await game.classicMode.startBattle([ Species.MAGIKARP, Species.ZYGARDE ]);
+
+      const zygarde = game.scene.getParty().find((p) => p.species.speciesId === Species.ZYGARDE);
+      expect(zygarde).not.toBe(undefined);
+      expect(zygarde!.formIndex).toBe(completeForm);
+
+      zygarde!.hp = 0;
+      zygarde!.status = new Status(StatusEffect.FAINT);
+      expect(zygarde!.isFainted()).toBe(true);
+
+      game.move.select(Moves.SPLASH);
+      await game.doKillOpponents();
+      await game.phaseInterceptor.to(TurnEndPhase);
+      game.doSelectModifier();
+      await game.phaseInterceptor.to(QuietFormChangePhase);
+
+      expect(zygarde!.formIndex).toBe(baseForm);
+    },
+  );
+
+  test(
+    "check if fainted 10% Power Construct Pokemon switches to base form on arena reset",
+    async () => {
+      const baseForm = 3,
+        completeForm = 5;
+      game.override.startingWave(4);
+      game.override.starterForms({
+        [Species.ZYGARDE]: completeForm,
+      });
+
+      await game.classicMode.startBattle([ Species.MAGIKARP, Species.ZYGARDE ]);
 
       const zygarde = game.scene.getParty().find((p) => p.species.speciesId === Species.ZYGARDE);
       expect(zygarde).not.toBe(undefined);