Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/6352
Interesting. I thought I would have executed `flink-yarn-tests` locally
with all tests. But it looks as if `YARNHighAvailabilityITCase` suffers from
the same problem as the `YARNSessionFIFOITcase#testJavaAPI` test.---
