[HOTFIX] Exclude test cert files from rat check
[HOTFIX] Exclude test cert files from rat check

lindzh/incubator-rocketmq,shroman/incubator-rocketmq,vsair/incubator-rocketmq,shroman/incubator-rocketmq,vsair/incubator-rocketmq,vsair/incubator-rocketmq,DR-YangLong/RocketMQ,Vansee/RocketMQ,lindzh/incubator-rocketmq,lindzh/incubator-rocketmq,DR-YangLong/RocketMQ,shroman/incubator-rocketmq