diff --git a/src/test/utils/overridesHelper.ts b/src/test/utils/overridesHelper.ts
index 4fe605b4cac..5d9472deb70 100644
--- a/src/test/utils/overridesHelper.ts
+++ b/src/test/utils/overridesHelper.ts
@@ -1,5 +1,6 @@
 import { Weather, WeatherType } from "#app/data/weather";
 import { Biome } from "#app/enums/biome";
+import { Species } from "#app/enums/species.js";
 import * as GameMode from "#app/game-mode";
 import { GameModes, getGameMode } from "#app/game-mode";
 import Overrides from "#app/overrides";
@@ -92,6 +93,17 @@ export class OverridesHelper {
     return this;
   }
 
+  /**
+   * Override the enemy (pokemon) species
+   * @param species the (pokemon) species to set
+   * @returns this
+   */
+  enemySpecies(species: Species): this {
+    vi.spyOn(Overrides, "OPP_SPECIES_OVERRIDE", "get").mockReturnValue(species);
+    this.log(`Enemy Pokemon species set to ${Species[species]} (=${species})!`);
+    return this;
+  }
+
   private log(...params: any[]) {
     console.log("Overrides:", ...params);
   }