Github user zentol commented on the issue:
https://github.com/apache/flink/pull/4058
The test will not pass checkstyle. You can run `mvn checkstyle:check` on
the command-line to quickly verify checkstyle compliance.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
