def test_defector_table(self):
        defector_table = {
            ('', C, D) : D,
            ('', D, D) : D,
            ('', C, C) : D,
            ('', D, C) : D,
        }
        self.player = lambda : axelrod.LookerUp(defector_table)
        self.responses_test([C, C], [C, C], [D])
        self.responses_test([C, D], [D, C], [D])
        self.responses_test([D, D], [D, D], [D])
Testing a lookup table that always defects if there is enough history.
dataset/ETHPy150Open Axelrod-Python/Axelrod/axelrod/tests/unit/test_lookerup.py/TestLookerUp.test_defector_table