[windowclient-ancestorOrigins.sub.https.html]
  expected: TIMEOUT
  [iframe referrerpolicy="", origin A]
    expected: TIMEOUT

  [iframe referrerpolicy="no-referrer", origin A]
    expected: NOTRUN

  [iframe referrerpolicy="same-origin", origin A]
    expected: NOTRUN

  [iframe referrerpolicy="same-origin", origin B]
    expected: NOTRUN