Github user egorklimov commented on the issue:
https://github.com/apache/zeppelin/pull/3110
@zjffdu Thank you for review in
[3102](https://github.com/apache/zeppelin/pull/3102), I fixed tests.
Our team is going to use this feature in our fork. If it can not be merged
in master because cluster mode is not supported, then I'll close this PR.---
