Github user felixcheung commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/783#issuecomment-198610934
looks like the zeppelin page is up in the screenshot when selenium test
failed:
```
10:37:56,531 ERROR org.apache.zeppelin.AbstractZeppelinIT:173 - Exception
in ParagraphActionsIT while testCreateNewButton
org.openqa.selenium.ElementNotVisibleException: Element is not currently
visible and so may not be interacted with
Command duration or timeout: 8 milliseconds
Build info: version: '2.48.2', revision:
'41bccdd10cf2c0560f637404c2d96164b67d9d67', time: '2015-10-09 13:08:06'
System info: host: 'testing-worker-linux-docker-7b2e2a82-3397-linux-9', ip:
'172.17.8.24', os.name: 'Linux', os.arch: 'amd64', os.version:
'3.13.0-40-generic', java.version: '1.7.0_76'
Session ID: 240c3bb6-eb48-4e3c-9917-046f70a6b4a7
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities [{platform=LINUX, acceptSslCerts=true, javascriptEnabled=true,
cssSelectorsEnabled=true, databaseEnabled=true, browserName=firefox,
handlesAlerts=true, nativeEvents=false, webStorageEnabled=true,
rotatable=false, locationContextEnabled=true, applicationCacheEnabled=true,
takesScreenshot=true, version=31.0}]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
```
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