def test_equals_12(self): self.assertEqual(right("Don't Repeat Yourself", 'Repeat '), 'Yourself')
def test_equals_8(self): self.assertEqual(right(self.text), '!')
def test_equals_10(self): self.assertEqual(right(self.text, 'o'), 'rld!')
def test_equals_7(self): self.assertEqual(right(self.text, 6), 'World!')