test(accordion): standalone waits before capturing screenshot (#25733)

core/src/components/accordion/test/standalone/accordion.e2e.ts

@@ -11,10 +11,11 @@ test.describe('accordion: standalone', () => {
     expect(results.violations).toEqual([]);
   });
 
-  // TODO(FW-1842) Re-enable when flakiness has been addressed.
-  test.skip('should not have visual regressions', async ({ page }) => {
+  test('should not have visual regressions', async ({ page }) => {
     await page.goto(`/src/components/accordion/test/standalone`);
 
+    await page.waitForChanges();
+
     expect(await page.screenshot({ fullPage: true })).toMatchSnapshot(
       `accordion-standalone-${page.getSnapshotSettings()}.png`
     );