[sethtml-scoped-custom-element-registry.html]
  [setHTML uses the target's scoped custom element registry]
    expected: FAIL

  [setHTML with replaceWithChildrenElements preserves the scoped custom element registry for children]
    expected: FAIL

  [setHTML on a shadow root uses the shadow root's registry, not the host's]
    expected: FAIL

  [setHTML constructs nested custom elements with the scoped registry]
    expected: FAIL

  [setHTMLUnsafe with a sanitizer uses the target's scoped custom element registry]
    expected: FAIL

  [setHTMLUnsafe with replaceWithChildrenElements preserves the scoped custom element registry for children]
    expected: FAIL

  [setHTMLUnsafe on a shadow root uses the shadow root's registry, not the host's]
    expected: FAIL