ollSnapSelectionVerificationTest(t, scroller,
                              /*aligned_elements_x=*/[box(1), box(3)],
                              /*aligned_elements_y=*/[],
                              /*axis=*/"x",
                              /*expected_target_x=*/box(3));
      }, "scroller prefers nested area over area aligned in both axes.");
    }
  </script>
  </body>
</html>
