Github user nkalmar commented on the issue:
https://github.com/apache/zookeeper/pull/633
org.apache.zookeeper.server.quorum.QuorumPeerMainTest.testLeaderElectionWithDisloyalVoter_stillHasMajority
seems pretty flaky, bu it runs without a problem on my local machine.
Anyway, one time it was like 10 failure, the next run had only the
mentioned test fail.
Hopefully I will get a green build, looks OK on local build...---
