stharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<script>

test(() => {
  assert_equals(getComputedStyle(container).contain, "none");
  container.style = "content-visibility:hidden";
  assert_equals(getComputedStyle(container).contentVisibility, "hidden");
  assert_equals(getComputedStyle(container).contain, "none");
}, "content-visibility:hidden does not affect computed value of 'contain'");

test(() => {
  assert_equals(getComputedStyle(container).contain, "none");
  contai