[frameElement.sub.html]
  expected: TIMEOUT
  [The window's frameElement attribute must return its container element if it is a nested browsing context]
    expected: FAIL

  [The SecurityError must be thrown if the window accesses to frameElement attribute of a Window which does not have the same effective script origin]
    expected: FAIL

  [The window's frameElement attribute must return null if the container's document does not have the same effective script origin]
    expected: TIMEOUT