public QueryCacheConfig setEvictionConfig(EvictionConfig evictionConfig) {
        checkNotNull(evictionConfig, "evictionConfig cannot be null");

        this.evictionConfig = evictionConfig;
        return this;
    }
@Test(expected = NullPointerException.class)
    public void testSetEvictionConfig_throwsException_whenNull() {
        QueryCacheConfig config = new QueryCacheConfig();
        config.setEvictionConfig(null);
    }