[dialog-close.html]
  type: testharness
  [close() fires a close event]
    expected: FAIL

  [close() on a <dialog> that doesn't have an open attribute throws an InvalidStateError exception]
    expected: FAIL

  [close() removes the open attribute and set the returnValue to the first argument]
    expected: FAIL

  [close() without argument removes the open attribute and there's no returnValue]
    expected: FAIL

  [close() should set the returnValue IDL attribute but not the JS property]
    expected: FAIL

  [close() on a <dialog> that doesn't have an open attribute aborts the steps]
    expected: FAIL