assertNotNull(result);
        assertTrue(result.length() > 100);
        assertTrue(result.contains(seed));
    }

    public void test_getCacheKey_manyItems() {
        String seed = "test_seed";
        String[] tags = new String[20];
        String[] roles = new String[20];
        String[] fields = new String[20];
        String[] excludes = new String[20];