[idlharness.html]
  type: testharness
  [Document must be primary interface of window.document]
    expected: FAIL

  [Stringification of window.document]
    expected: FAIL

  [Document interface: attribute onvisibilitychange]
    expected: FAIL

  [Document interface: window.document must inherit property "onvisibilitychange" with the proper type (2)]
    expected: FAIL

