Give the voice test's stub row a classList.contains

focusDataLayerRow now asks whether the finder hides the row.

Co-authored-by: Manjunath Paparaju <[email protected]>

src/voice/gevActions.test.mjs

@@ -1954,7 +1954,11 @@ test('showing a layer opens the panel that holds its row: Directions lives in Ut
   const focused = [];
   const rowIn = (panelId) => ({
     dataset: { layerName: panelId === 'utilities-panel' ? 'Directions' : 'Live Flights' },
-    classList: { add: (name) => focused.push(name), remove() {} },
+    classList: {
+      add: (name) => focused.push(name),
+      remove() {},
+      contains: () => false,
+    },
     scrollIntoView() {},
     closest: (selector) => (selector === '[data-panel-id]' ? { id: panelId } : null),
   });