for (int j = i + 1; j < NUM; j++) {
                assertFalse(tokens.get(i).equals(tokens.get(j)));
            }
        }
    }

    @Test
    public void test_getAccessTokenFromRequest_ok0() {
        final String token = accessTokenHelper.generateAccessToken();
        MockletHttpServletRequest req = getMockRequest();
        req.addHeader("Authorization", "Bearer " + token);