led imports');

test(() => {
  const span = document.createElement("span");
  thirdSection.appendChild(span);
  const shadowDiv = attachShadowDiv(span);
  const sheet = new CSSStyleSheet();
  span.shadowRoot.adoptedStyleSheets = [sheet];

  const newSpan = span.cloneNode(true);
  assert_equals(newSpan.shadowRoot, null);
}, 'Cloning a shadow host will not clone shadow root, and also adoptedStyleSheets');

test(() => {
  const span = document.createElement("span");
  thirdSection.appendChild(span);
  const sh