Node-redis: Process will exit when could not connect to redis

[taoqf]

• Version: 2.8.0
• Platform: Debian 4.9.65-3
• Description: I give a connect string which is not correct(just for testing), when I try to connect to redis. the node process exit with error:

events.js:137
      throw er; // Unhandled 'error' event
      ^

Error: Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED 127.0.0.1:6379
    at Object._errnoException (util.js:1003:13)
    at _exceptionWithHostPort (util.js:1024:20)
    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1194:14)
npm ERR! Test failed.  See above for more details.

[BridgeAR]

@taoqf you always have to add the error listener as described in the README.md to handle errors properly.