[iframes.sub.html]
  [Text fragment specified in iframe.src]
    expected: FAIL

  [Navigate same-origin iframe via window.location]
    expected: FAIL

  [Navigate cross-origin iframe via window.location]
    expected: FAIL

  [Cross-origin with element-id fallback]
    expected: FAIL

  [Non-matching text with element-id fallback]
    expected: FAIL
