assertTrue(result.contains("role1"));
        assertTrue(result.contains("field1"));
        assertTrue(result.contains("exclude1"));
    }

    public void test_getCacheKey_sorting() {
        String seed = "test_seed";
        String[] tags = { "zzz", "aaa", "mmm" };
        String[] roles = { "role3", "role1", "role2" };
        String[] fields = { "field3", "field1", "field2" };