[ParentNode-replaceChildren.html]
  expected:
    if (os == "android") and fission: [OK, TIMEOUT]
  [Document.replaceChildren() with an element, replacing an existing doctype and element.]
    expected: FAIL

  [Document.replaceChildren() with a DocumentFragment containing a single element, replacing an existing doctype and element.]
    expected: FAIL

  [Document.replaceChildren() with a doctype, replacing an existing doctype and element.]
    expected: FAIL