test: count News beside Wildlife Sightings

The catalog holds 39 layers, News ends the Events group just before
Wildlife, and the README names twenty-three layers.

src/app/constructCatalog.test.mjs

@@ -40,7 +40,7 @@ test('catalogs construct distinct layers and classification from their supplied
     signal: b.signal,
     surface: fixtureSurface(b.signal),
   });
-  assert.equal(first.layers.length, 38);
+  assert.equal(first.layers.length, 39);
   assert.ok(first.get('local-adsb'), 'Local ADS-B is registered');
   assert.deepEqual(
     first.metadata.find(({ id }) => id === 'osm-places'),
@@ -162,7 +162,7 @@ test('Mapillary can be omitted or replaced without changing catalog membership',
     surface: fixtureSurface(lifetime.signal),
   };
   const catalog = createApplicationCatalog(options);
-  assert.equal(catalog.layers.length, 38);
+  assert.equal(catalog.layers.length, 39);
   assert.deepEqual(catalog.get('street-level').providerIds, []);
   assert.equal(
     catalogControlServices(catalog).streetLevelLayer,

src/app/sourceComposition.test.mjs

@@ -37,7 +37,7 @@ test('every acquisition source can be omitted without losing catalog membership'
 
 test('all acquisition sources may be absent, and enable fails before initializing or fetching', async (t) => {
   const actual = catalog({}, t);
-  assert.equal(actual.layers.length, 38);
+  assert.equal(actual.layers.length, 39);
   const manager = new LayerLifecycle(
     {},
     { getSourceAvailability: actual.getSourceAvailability },

src/tooling/transitQa.test.mjs

@@ -695,7 +695,7 @@ test('public transit documentation uses courtesy attribution and the approved gr
   );
   assert.ok(
     readme.includes(
-      'Twenty-two layers and map sources. **Twenty have a keyless path.**',
+      'Twenty-three layers and map sources. **Twenty-one have a keyless path.**',
     ),
   );
   assert.ok(

src/ui/layerPanel.test.mjs

@@ -50,7 +50,8 @@ test('Wildlife follows Events and precedes Weather', () => {
   );
   const wildlife = order.findIndex(({ id }) => id === 'wildlife-sightings');
   assert.equal(order[wildlife].label, 'Wildlife');
-  assert.equal(order[wildlife - 1].id, 's2-ghostmaps');
+  // News is the last of Events.
+  assert.equal(order[wildlife - 1].id, 'news');
   assert.equal(order[wildlife + 1].id, 'air-quality');
   assert.equal(order.filter(({ id }) => id === 'wildlife-sightings').length, 1);
 });