diff --git a/client/src/pages/TripPlannerPage.wiring.test.tsx b/client/src/pages/TripPlannerPage.wiring.test.tsx
index 6430106d4..d081f8ccc 100644
--- a/client/src/pages/TripPlannerPage.wiring.test.tsx
+++ b/client/src/pages/TripPlannerPage.wiring.test.tsx
@@ -141,6 +141,37 @@ function baseState(): HookState {
     collabFeatures: { chat: true, notes: true, polls: true, whatsnext: true },
     tripAccommodations: [],
     setTripAccommodations: vi.fn(),
+    // Road trip mode off, which is the state every assertion below reads: the page keeps
+    // its ordinary map, sidebar and route wiring, and the road-trip branches stay unmounted.
+    // The shapes still have to be here, because the page reaches into routeAlternatives.open,
+    // roadtripRoutes.lines and roadtripVias.byDay before it ever checks whether the mode is on.
+    roadtripMode: false,
+    toggleRoadtripMode: vi.fn(),
+    roadtripActive: false,
+    roadtripRoutes: { lines: [], segments: [], days: [], loading: false, totalStops: 0 },
+    roadtripCorridor: { visible: [], day: null, dayId: '', setDayId: vi.fn(), categories: [], toggleCategory: vi.fn(), widthKm: 5, setWidthKm: vi.fn(), search: vi.fn(), nameFilter: '', setNameFilter: vi.fn(), insertIndexFor: vi.fn() },
+    stopDraft: null,
+    setStopDraft: vi.fn(),
+    saveStopDraft: vi.fn(async () => undefined),
+    stopDraftToForm: vi.fn(),
+    stopDraftDuplicate: null,
+    reorderRoadtripStop: vi.fn(async () => undefined),
+    roadtripVias: { byDay: {}, refresh: vi.fn(async () => undefined) },
+    addRoadtripVia: vi.fn(async () => undefined),
+    moveRoadtripVia: vi.fn(async () => undefined),
+    removeRoadtripVia: vi.fn(async () => undefined),
+    routeAlternatives: { open: null, close: vi.fn(), loading: false, ask: vi.fn(async () => undefined) },
+    askRouteAlternatives: vi.fn(async () => undefined),
+    chooseRouteAlternative: vi.fn(async () => undefined),
+    alternativeOverlays: [],
+    alternativeFocusPoints: [],
+    stayDraft: null,
+    setStayDraft: vi.fn(),
+    setRoadtripStay: vi.fn(async () => undefined),
+    highlightedAlternative: null,
+    setHighlightedAlternative: vi.fn(),
+    moveRoadtripStopToDay: vi.fn(async () => undefined),
+    dropPoiOnRoute: vi.fn(async () => undefined),
     allowedFileTypes: 'pdf',
     tripMembers: [],
     setTripMembers: vi.fn(),