return request.getParameter(name);
        }
        return null;
    }

    /**
     * Set the random instance.
     * @param random The random instance.
     */
    public void setRandom(final Random random) {
        this.random = random;
    }

    }

    @Test
    public void test_setRandom() {
        final Random customRandom = new Random(12345L);
        accessTokenHelper.setRandom(customRandom);

        final String token1 = accessTokenHelper.generateAccessToken();

        accessTokenHelper.setRandom(new Random(12345L));
        final String token2 = accessTokenHelper.generateAccessToken();

        assertEquals(token1, token2);
    }