'Just like C{test_unhandledReadError}, but for the case where the
exception that is not explicitly handled happens to be of type
C{EnvironmentError} (C{OSError} or C{IOError}).'

def test_unhandledEnvironmentReadError(self):

    self.assertRaises(IOError, self._stopsReadingTest, IOError(EPERM, 'Operation    not    permitted'))
