Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/4978
There are two checkstyle violations in `JobPlanInfoTest`.
```
[ERROR]
src/test/java/org/apache/flink/runtime/rest/messages/JobPlanInfoTest.java:[22,1]
(imports) RedundantImport: Redundant import from the same package -
org.apache.flink.runtime.rest.messages.JobPlanInfo.
[ERROR]
src/test/java/org/apache/flink/runtime/rest/messages/JobPlanInfoTest.java:[23,1]
(imports) RedundantImport: Redundant import from the same package -
org.apache.flink.runtime.rest.messages.RestResponseMarshallingTestBase.
```
---
