'L{twisted.python.constants.ValueConstant} preserves definition
order in C{>=} comparisons.'

def test_orderedValueConstants_ge(self):

    self.assertTrue((ValuedLetters.alpha >= ValuedLetters.alpha))
    self.assertTrue((ValuedLetters.digamma >= ValuedLetters.alpha))
    self.assertTrue((ValuedLetters.zeta >= ValuedLetters.digamma))
