runzhiwang opened a new pull request #167: URL: https://github.com/apache/incubator-ratis/pull/167
## What changes were proposed in this pull request? clear `servers` when shutdown MiniRaftCluster. Otherwise, if we need to run test several times to debug, the second time will fail at `Preconditions.assertTrue(servers.put(id, s) == null);`.   ## What is the link to the Apache JIRA https://issues.apache.org/jira/browse/RATIS-1022 ## How was this patch tested? No need to add test. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
