Revise Playwright test locator

Author: michaelmior

e2e/demo.spec.ts

@@ -4,6 +4,6 @@ test("has input set correctly", async ({ page }) => {
   await page.goto("/demo/index.html");
 
   await expect(
-    page.locator("cambria-document").first().getByLabel("root[name]"),
+    page.locator("cambria-document").first().getByRole('textbox', { name: 'root[name]' })
   ).toHaveValue(/The Fifth Element/);
 });