Github user andreaTP commented on the issue: https://github.com/apache/zeppelin/pull/2483 @1ambda travis link: https://travis-ci.org/nokia/zeppelin/builds/256876805 I think that tests are not really "stable", I mean, they are time and context dependent. i.e. if one test doesn't clean properly it's execution env next test will fail selenium tests should be splitted to use less time. It will require time, sorry I do not have enough to contribute this fix.
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