[sethtml-with-custom-elements.html]
  [Custom element that is allowed, on a disconnected element.]
    expected: FAIL

  [Custom element inside an element that is replaced with its children, on a disconnected element, setHTML().]
    expected: FAIL

  [Custom element inside an element that is replaced with its children uses the target's scoped registry, setHTML().]
    expected: FAIL

  [Custom element inside an element that is replaced with its children, on a disconnected element, setHTMLUnsafe().]
    expected: FAIL

  [Custom element inside an element that is replaced with its children uses the target's scoped registry, setHTMLUnsafe().]
    expected: FAIL