Github user soralee commented on the issue:
https://github.com/apache/zeppelin/pull/2415
@1ambda, I updated regarding login, logout code because I think that it
would be better to reuse in AuthenticationIT code and to resolve passing CI
test.
Regarding CI failure seems like related with`sleep` code.
I just want to let you know about `sleep` code, because you don't want to
use it and it's flaky code. I agree that but, Travis often gives error messages
if there are not `sleep`. We should improve this part but, it would be better
to fixed when we improve overall selenium test code or split.
what do you think about this?
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