
  assert_true(multiple2.matches(":checked"),
      "multiple2 IS :checked [after multiple2 checked]");
  assert_false(multiple3.checked, "multiple3 not checked [after multiple2 checked]");
  assert_false(multiple3.matches(":checked"),
      "multiple3 not :checked [after multiple2 checked]");

  multiple3.checked = true;
  assert_true(multiple1.checked, "multiple1 checked [after multiple3 checked]");
  assert_true(multiple1.matches(":checked"),
      "multiple1 IS :checked [after multiple3 checked]");
  as