ClassificationIT tests are failing on CI

[przemekwitek]

[elasticmachine]

Pinging @elastic/ml-core (:ml)

[tlrx]

Tests failed today:
https://gradle-enterprise.elastic.co/s/n7nxj2why4ymy/tests/failed

[przemekwitek]

There are no failures since Oct 23 (almost a week ago).
Closing this issue.

https://build-stats.elastic.co/app/kibana#/discover?_g=(refreshInterval:(pause:!t,value:0),time:(from:now%2FM,mode:quick,to:now%2FM))&_a=(columns:!(_source),filters:!(),index:e58bf320-7efd-11e8-bf69-63c8ef516157,interval:auto,query:(language:lucene,query:'%22FAILURE%20ClassificationIT%20%22'),sort:!(time,desc))