Github user 1ambda commented on the issue:
https://github.com/apache/zeppelin/pull/1669
Test failed, but not irrelevant with this PR
```
// https://travis-ci.org/apache/zeppelin/jobs/177967999
// https://api.travis-ci.org/jobs/177967999/log.txt?deansi=true
14:40:57,230 INFO org.apache.zeppelin.ZeppelinITUtils:41 - Finished.
14:40:57,230 INFO org.apache.zeppelin.integration.ZeppelinIT:189 -
testCreateNotebook Test executed
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 113.057 sec
- in org.apache.zeppelin.integration.ZeppelinIT
Results :
Tests in error:
ParagraphActionsIT.testClearOutputButton:278->AbstractZeppelinIT.waitForParagraph:70->AbstractZeppelinIT.pollingWait:96
» Timeout
Tests run: 18, Failures: 0, Errors: 1, Skipped: 0
```
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