def setUpClass(cls):
cls.dec_obs = DecimalViewer()
cls.hex_obs = HexViewer()
cls.sub = Data('Data')
#inherited behavior already tested with TestSubject
cls.sub.attach(cls.dec_obs)
cls.sub.attach(cls.hex_obs)
def setUpClass(cls):
cls.s = Subject()
cls.dec_obs = DecimalViewer()
cls.hex_obs = HexViewer()