def test_equal_2(self): self.assertEqual(pig_latin('egg'), 'eggway')
def test_equal_1(self): self.assertEqual(pig_latin('map'), 'apmay')
def test_is_none_2(self): self.assertIsNone(pig_latin('!@#$%'))
def test_is_none_1(self): self.assertIsNone(pig_latin(''))
def test_equal_4(self): self.assertEqual(pig_latin('zqxy'), 'zqxyay')
def test_equal_3(self): self.assertEqual(pig_latin('spaghetti'), 'aghettispay')