'L{reporter.Reporter} stops observing log events when its C{done} method
is called.'

def test_stopObserving(self):

    self.result.done()
    self.stream.seek(0)
    self.stream.truncate()
    self.publisher.msg(warning=RuntimeWarning('some    message'), category='exceptions.RuntimeWarning', filename='file/name.py', lineno=17)
    self.assertEqual(self.stream.getvalue(), '')
