def METHOD_NAME(self):
    obj = ClassFactory.create()
    self.assertFalse(obj.has_suffix_attr)
    obj.attrs.append(AttrFactory.create())
    obj.attrs.append(AttrFactory.create())
    self.assertFalse(obj.has_suffix_attr)
    obj.attrs[1].index = sys.maxsize
    self.assertTrue(obj.has_suffix_attr)