[bad-underlying-sources.sharedworker.html]
  [Underlying source: throwing pull getter (initial pull)]
    expected: FAIL

  [Underlying source pull: throwing getter (second pull does not result in a second get)]
    expected: FAIL

  [Underlying source cancel: throwing getter]
    expected: FAIL

  [Underlying source: calling error twice should not throw]
    expected: FAIL

  [Underlying source: calling error after close should not throw]
    expected: FAIL

