test(plugin-map): point the reach test narration at where the 'Marker' placeholder actually lives

.changeset/plugin-map-reach-test-narration.md

@@ -0,0 +1,4 @@
+---
+---
+
+Comment-only correction in `packages/plugin-map/src/ObjectMap.listViewMapConfigReach.test.tsx`: the narration above the `titleField` arm attributed the `'Marker'` placeholder to `getMapConfig`, which never held it. No assertion, fixture or published behaviour changes.

packages/plugin-map/src/ObjectMap.listViewMapConfigReach.test.tsx

@@ -134,10 +134,16 @@ describe('a view-level `map` block reaches getMapConfig through ListView (object
  await waitFor(() => expect(screen.getAllByTestId('map-marker').length).toBe(2));
 
  // The title is a real read, not a forwarded prop: `getMapConfig` resolves
- // `titleField`, the marker transform reads `record[titleField]`, and the
- // popup renders it. Before the forward landed this read `'Marker'` — the
- // literal `getMapConfig` falls back to — which is the `undefined`/placeholder
- // marker-title symptom the card was filed for.
+ // the declared `titleField`, the marker transform hands it to
+ // `getRecordDisplayName` as `options.titleField` — step 0 of that resolver,
+ // so a declared binding still wins outright — and the popup renders it.
+ // Before the forward landed the block never reached `getMapConfig` at all:
+ // the flat branch forged `titleField: 'name'` (dropped by objectui#5953)
+ // and these records carry no `name`, so this read `undefined` — the
+ // marker-title symptom the card was filed for. `'Marker'` is not a
+ // `getMapConfig` literal and never was: it is `getRecordDisplayName`'s
+ // `fallback` option in the marker transform, reached now only by an
+ // id-less record.
  fireEvent.click(screen.getAllByTestId('map-marker')[0]);
  await waitFor(() => expect(screen.queryByTestId('map-popup')).not.toBeNull());
  expect(screen.getByText('Install rooftop unit')).toBeTruthy();