}
        };
        roleQueryHelper.init();

        // 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());