Github user AhyoungRyu commented on the issue:
https://github.com/apache/zeppelin/pull/1777
CI has been failed only in [Selenium
test](https://travis-ci.org/apache/zeppelin/jobs/184584526) like below.
```
[36mTests: succeeded 17, failed 1, canceled 0, ignored 0, pending 0[0m
[31m*** 1 TEST FAILED ***[0m
[ERROR] Failed to execute goal
org.scalatest:scalatest-maven-plugin:1.0:test (test) on project
zeppelin-display_2.10: There are test failures -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions,
please read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the
command
[ERROR] mvn <goals> -rf :zeppelin-display_2.10
```
Looks irrelevant with this change. LGTM ð
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