diff --git a/frontend/src/components/Experiment/Experiment.test.jsx b/frontend/src/components/Experiment/Experiment.test.jsx
index eddc62c77..881f35f12 100644
--- a/frontend/src/components/Experiment/Experiment.test.jsx
+++ b/frontend/src/components/Experiment/Experiment.test.jsx
@@ -26,6 +26,8 @@ vi.mock('../../util/stores', () => ({
             session: 1,
             participant: 'participant-id',
             setSession: vi.fn(),
+            setHeadData: vi.fn(),
+            resetHeadData: vi.fn(),
         };
         
         return fn(state);