[Test] Update wimp out test and comment (#4900)

* Changed conditional to actually consider the wave index.

* Added PigeonBar's test

* Added check for MEs + Documentation

* Apply suggestions from code review

Co-authored-by: PigeonBar <56974298+PigeonBar@users.noreply.github.com>

---------

Co-authored-by: frutescens <info@laptop>
Co-authored-by: PigeonBar <56974298+PigeonBar@users.noreply.github.com>

src/data/ability.ts

@@ -4951,6 +4951,7 @@ class ForceSwitchOutHelper {
       }
     /**
      * For wild Pokémon battles, the Pokémon will flee if the conditions are met (waveIndex and double battles).
+     * It will not flee if it is a Mystery Encounter with fleeing disabled (checked in `getSwitchOutCondition()`) or if it is a wave 10x wild boss
      */
     } else {
       if (!pokemon.scene.currentBattle.waveIndex || pokemon.scene.currentBattle.waveIndex % 10 === 0) {

src/test/abilities/wimp_out.test.ts

@@ -613,4 +613,23 @@ describe("Abilities - Wimp Out", () => {
 
     confirmNoSwitch();
   });
+
+  it("should not activate on wave X0 bosses", async () => {
+    game.override.enemyAbility(Abilities.WIMP_OUT)
+      .startingLevel(5850)
+      .startingWave(10);
+    await game.classicMode.startBattle([ Species.GOLISOPOD ]);
+
+    const enemyPokemon = game.scene.getEnemyPokemon()!;
+
+    // Use 2 turns of False Swipe due to opponent's health bar shield
+    game.move.select(Moves.FALSE_SWIPE);
+    await game.toNextTurn();
+    game.move.select(Moves.FALSE_SWIPE);
+    await game.toNextTurn();
+
+    const isVisible = enemyPokemon.visible;
+    const hasFled = enemyPokemon.switchOutStatus;
+    expect(isVisible && !hasFled).toBe(true);
+  });
 });