Job doesn't disconnect from ResourceManager

[...]
"main" #1 prio=5 os_prio=0 tid=0x00007fcccc4b7000 nid=0x24ec0 waiting on condition [0x00007fccce1eb000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000000bdd52618> (a java.util.concurrent.CompletableFuture$Signaller)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	at java.util.concurrent.CompletableFuture$Signaller.block(CompletableFuture.java:1707)
	at java.util.concurrent.ForkJoinPool.managedBlock(ForkJoinPool.java:3323)
	at java.util.concurrent.CompletableFuture.waitingGet(CompletableFuture.java:1742)
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908)
	at org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:2131)
	at org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:2099)
	at org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:2077)
	at org.apache.flink.streaming.api.scala.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.scala:876)
	at org.apache.flink.table.planner.runtime.stream.sql.WindowDistinctAggregateITCase.testHopWindow_Cube(WindowDistinctAggregateITCase.scala:550)
[...]