diff --git a/src/test/utils/helpers/overridesHelper.ts b/src/test/utils/helpers/overridesHelper.ts
index 686de58e874..23ce55ada78 100644
--- a/src/test/utils/helpers/overridesHelper.ts
+++ b/src/test/utils/helpers/overridesHelper.ts
@@ -83,6 +83,27 @@ export class OverridesHelper extends GameManagerHelper {
     return this;
   }
 
+  /**
+   * Override the player (pokemon) to be a random fusion
+   * @returns this
+   */
+  enableStarterFusion(): this {
+    vi.spyOn(Overrides, "STARTER_FUSION_OVERRIDE", "get").mockReturnValue(true);
+    this.log("Player Pokemon is a random fusion!");
+    return this;
+  }
+
+  /**
+   * Override the player (pokemon) fusion species
+   * @param species the fusion species to set
+   * @returns this
+   */
+  starterFusionSpecies(species: Species | number): this {
+    vi.spyOn(Overrides, "STARTER_FUSION_SPECIES_OVERRIDE", "get").mockReturnValue(species);
+    this.log(`Player Pokemon fusion species set to ${Species[species]} (=${species})!`);
+    return this;
+  }
+
   /**
    * Override the player (pokemons) forms
    * @param forms the (pokemon) forms to set
@@ -230,6 +251,27 @@ export class OverridesHelper extends GameManagerHelper {
     return this;
   }
 
+  /**
+   * Override the enemy (pokemon) to be a random fusion
+   * @returns this
+   */
+  enableEnemyFusion(): this {
+    vi.spyOn(Overrides, "OPP_FUSION_OVERRIDE", "get").mockReturnValue(true);
+    this.log("Enemy Pokemon is a random fusion!");
+    return this;
+  }
+
+  /**
+   * Override the enemy (pokemon) fusion species
+   * @param species the fusion species to set
+   * @returns this
+   */
+  enemyFusionSpecies(species: Species | number): this {
+    vi.spyOn(Overrides, "OPP_FUSION_SPECIES_OVERRIDE", "get").mockReturnValue(species);
+    this.log(`Enemy Pokemon fusion species set to ${Species[species]} (=${species})!`);
+    return this;
+  }
+
   /**
    * Override the enemy (pokemon) {@linkcode Abilities | ability}
    * @param ability the (pokemon) {@linkcode Abilities | ability} to set