diff --git a/src/test/utils/overridesHelper.ts b/src/test/utils/overridesHelper.ts
index 8f4e0f54834..d6bb0169540 100644
--- a/src/test/utils/overridesHelper.ts
+++ b/src/test/utils/overridesHelper.ts
@@ -88,6 +88,17 @@ export class OverridesHelper {
     return this;
   }
 
+  /**
+   * Override the player (pokemon) **passive** {@linkcode Abilities | ability}
+   * @param passiveAbility the (pokemon) **passive** {@linkcode Abilities | ability} to set
+   * @returns this
+   */
+  passiveAbility(passiveAbility: Abilities): this {
+    vi.spyOn(Overrides, "PASSIVE_ABILITY_OVERRIDE", "get").mockReturnValue(passiveAbility);
+    this.log(`Player Pokemon PASSIVE ability set to ${Abilities[passiveAbility]} (=${passiveAbility})!`);
+    return this;
+  }
+
   /**
    * Override the player (pokemon) {@linkcode Moves | moves}set
    * @param moveset the {@linkcode Moves | moves}set to set