st.testOnRemovedJobGraphDoesNotCleanUpHAFiles does not test the desired functionality
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20079'>FLINK-20079</a>] -         Modified UnalignedCheckpointITCase...MassivelyParallel fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20081'>FLINK-20081</a>] -         ExecutorNotifier should run handler in the main thread when receive an exception from the callable.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20143