Github user bzz commented on the issue:
https://github.com/apache/zeppelin/pull/1477
Thank you @yiming187 !
CI failures looks not relevant to the changes
```
Results :
Failed tests:
HeliumApplicationFactoryTest.testLoadRunUnloadApplication:160
expected:<Hello world 1> but was:<null>
Tests run: 122, Failures: 1, Errors: 0, Skipped: 0
```
and
```
Results :
Tests in error:
ParagraphActionsIT.testRemoveButton:155->AbstractZeppelinIT.clickAndWait:131 »
ElementNotVisible
ParagraphActionsIT.testMoveUpAndDown:200->AbstractZeppelinIT.clickAndWait:131
» ElementNotVisible
ParagraphActionsIT.testCreateNewButton:85 » ElementNotVisible Element is
not c...
Tests run: 18, Failures: 0, Errors: 3, Skipped: 0
```
Merging to master if there is no further discussion
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