// Mock request with cached USER_ROLES
        Set<String> cachedRoles = new HashSet<>();
        cachedRoles.add("cached_role");
        getMockRequest().setAttribute("userRoles", cachedRoles);

        Set<String> roleSet = roleQueryHelper.build(SearchRequestType.SEARCH);
        assertEquals(1, roleSet.size());
        assertTrue(roleSet.contains("cached_role"));
    }

    public void test_build_withParameterAndHeader() {