}

    @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);
    }