    @Test
    public void testgetDefaultConfig() throws Exception {


        RedisKeyValueStateProvider provider = new RedisKeyValueStateProvider();
        Map<String, String> stormConf = new HashMap<>();
        //stormConf.put(Config.TOPOLOGY_STATE_PROVIDER_CONFIG, "{\"keyClass\":\"String\"}");
        RedisKeyValueStateProvider.StateConfig config = provider.getStateConfig(stormConf);
        assertNotNull(config);
    }