'The constants returned from L{Values.iterconstants} are identical on
each call to that method.'

def test_iterconstantsIdentity(self):

    constants = list(self.STATUS.iterconstants())
    again = list(self.STATUS.iterconstants())
    self.assertIs(again[0], constants[0])
    self.assertIs(again[1], constants[1])
