diff --git a/src/test/evolution.test.ts b/src/test/evolution.test.ts
index b54deaa4611..c935d1a9ecd 100644
--- a/src/test/evolution.test.ts
+++ b/src/test/evolution.test.ts
@@ -1,9 +1,12 @@
 import { pokemonEvolutions, SpeciesFormEvolution, SpeciesWildEvolutionDelay } from "#app/data/pokemon-evolutions.js";
 import { Abilities } from "#app/enums/abilities.js";
+import { Moves } from "#app/enums/moves.js";
 import { Species } from "#app/enums/species.js";
 import GameManager from "#test/utils/gameManager";
 import Phaser from "phaser";
 import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+import { getMovePosition } from "./utils/gameManagerUtils";
+import { SPLASH_ONLY } from "./utils/testUtils";
 
 describe("Evolution", () => {
   let phaserGame: Phaser.Game;
@@ -89,4 +92,29 @@ describe("Evolution", () => {
 
     expect(speciesFormEvo.wildDelay).toBe(SpeciesWildEvolutionDelay.NONE);
   });
+
+  it("should increase both HP and max HP when evolving", async () => {
+    game.override.moveset([Moves.SURF])
+      .enemySpecies(Species.GOLEM)
+      .enemyMoveset(SPLASH_ONLY)
+      .startingWave(21)
+      .startingLevel(16)
+      .enemyLevel(50);
+
+    await game.startBattle([Species.TOTODILE]);
+
+    const totodile = game.scene.getPlayerPokemon()!;
+    const hpBefore = totodile.hp;
+
+    const enemyGolem = game.scene.getEnemyPokemon()!;
+    enemyGolem.hp = 1;
+
+    expect(totodile.hp).toBe(totodile.getMaxHp());
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.SURF));
+    await game.phaseInterceptor.to("EvolutionPhase");
+
+    expect(totodile.hp).toBe(totodile.getMaxHp());
+    expect(totodile.hp).toBeGreaterThan(hpBefore);
+  }, TIMEOUT);
 });
diff --git a/src/test/utils/mocks/mockTextureManager.ts b/src/test/utils/mocks/mockTextureManager.ts
index 330409e9776..fb197dfdc06 100644
--- a/src/test/utils/mocks/mockTextureManager.ts
+++ b/src/test/utils/mocks/mockTextureManager.ts
@@ -7,6 +7,8 @@ import MockText from "#test/utils/mocks/mocksContainer/mockText";
 import MockPolygon from "#test/utils/mocks/mocksContainer/mockPolygon";
 import { MockGameObject } from "./mockGameObject";
 import MockTexture from "#test/utils/mocks/mocksContainer/mockTexture";
+import { vi } from "vitest";
+import { MockVideoGameObject } from "./mockVideoGameObject";
 
 /**
  * Stub class for Phaser.Textures.TextureManager
@@ -34,6 +36,7 @@ export default class MockTextureManager {
       text: this.text.bind(this),
       bitmapText: this.text.bind(this),
       displayList: this.displayList,
+      video: vi.fn(() => new MockVideoGameObject()),
     };
   }
 
diff --git a/src/test/utils/mocks/mockVideoGameObject.ts b/src/test/utils/mocks/mockVideoGameObject.ts
new file mode 100644
index 00000000000..4ab371ed9fc
--- /dev/null
+++ b/src/test/utils/mocks/mockVideoGameObject.ts
@@ -0,0 +1,12 @@
+import { vi } from "vitest";
+import { MockGameObject } from "./mockGameObject";
+
+export class MockVideoGameObject implements MockGameObject {
+  constructor() {}
+
+  public play = vi.fn();
+  public stop = vi.fn(() => this);
+  public setOrigin = vi.fn();
+  public setScale = vi.fn();
+  public setVisible = vi.fn();
+}
diff --git a/src/test/utils/phaseInterceptor.ts b/src/test/utils/phaseInterceptor.ts
index 34f79f93b6e..d404afe04d4 100644
--- a/src/test/utils/phaseInterceptor.ts
+++ b/src/test/utils/phaseInterceptor.ts
@@ -38,6 +38,7 @@ import UI, { Mode } from "#app/ui/ui";
 import { Phase } from "#app/phase";
 import ErrorInterceptor from "#app/test/utils/errorInterceptor";
 import { QuietFormChangePhase } from "#app/form-change-phase";
+import { EvolutionPhase } from "#app/evolution-phase.js";
 
 export default class PhaseInterceptor {
   public scene;
@@ -92,6 +93,7 @@ export default class PhaseInterceptor {
     [QuietFormChangePhase, this.startPhase],
     [SwitchPhase, this.startPhase],
     [SwitchSummonPhase, this.startPhase],
+    [EvolutionPhase, this.startPhase],
   ];
 
   private endBySetMode = [