Github user mwkang commented on the issue:
https://github.com/apache/zeppelin/pull/1330
CI error
```
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 76.102 sec
- in org.apache.zeppelin.integration.SparkParagraphIT
Results :
Tests in error:
ZeppelinIT.testAngularDisplay:118->AbstractZeppelinIT.waitForParagraph:70->AbstractZeppelinIT.pollingWait:96
쨩 Timeout
AuthenticationIT.testGroupPermission:179->AbstractZeppelinIT.pollingWait:96 쨩
Timeout
Tests run: 15, Failures: 0, Errors: 2, Skipped: 0
```
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