[GitHub] zeppelin issue #3235: [ZEPPELIN-3864][ZP-68] Fix Travis tests

[felixcheung]

Github user felixcheung commented on the issue:

    https://github.com/apache/zeppelin/pull/3235
  
    this test failed? 
https://travis-ci.org/TinkoffCreditSystems/zeppelin/jobs/458386760


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