@Override
    public Map<String, Object> appConfigs() {
        final Map<String, Object> combined = new HashMap<>();
        combined.putAll(config.originals());
        combined.putAll(config.values());
        return combined;
    }
@Test
    public void appConfigsShouldReturnParsedValues() {
        assertThat(
            context.appConfigs().get(StreamsConfig.ROCKSDB_CONFIG_SETTER_CLASS_CONFIG),
            equalTo(RocksDBConfigSetter.class)
        );
    }