final String token = accessTokenHelper.generateAccessToken();
        assertNotNull(token);
        assertFalse(token.isEmpty());
    }

    public void test_getAccessTokenFromRequest_caseInsensitiveBearer() {
        final String token = accessTokenHelper.generateAccessToken();
        MockletHttpServletRequest req = getMockRequest();
        req.addHeader("Authorization", "bearer " + token);