SSK Test that should fail

        expected_result_for_length = [
            (1, 0.849),
            (2, 0.580),
            (3, 0.478),
            (4, 0.439),
            (5, 0.406),
            (6, 0.370),
        ]

        str1 = "science is organized knowledge"
        str2 = "wisdom is organized life"

        for plambda in linspace(0, 1, 30):
            for length, expected_result in expected_result_for_length:
                actual_result = SSK(length, plambda, str1, str2)

                self.assertAlmostEqual(expected_result, actual_result, delta=0.001, msg="Failed for length %i. %f != %f" % (length, actual_result, expected_result))