LaunchCoordinatorTest fails

[ERROR] Tests run: 24, Failures: 0, Errors: 4, Skipped: 0, Time elapsed: 1.828 s <<< FAILURE! - in org.apache.flink.mesos.scheduler.LaunchCoordinatorTest
[ERROR] The LaunchCoordinator when in state GatheringOffers should handle StateTimeout which stays in GatheringOffers when task queue is non-empty(org.apache.flink.mesos.scheduler.LaunchCoordinatorTest)  Time elapsed: 0.021 s  <<< ERROR!
java.lang.IllegalStateException: cannot reserve actor name '$$u': terminating
	at akka.actor.dungeon.ChildrenContainer$TerminatingChildrenContainer.reserve(ChildrenContainer.scala:188)
	at akka.actor.dungeon.Children$class.reserveChild(Children.scala:135)
	at akka.actor.ActorCell.reserveChild(ActorCell.scala:429)
	at akka.testkit.TestActorRef.<init>(TestActorRef.scala:33)
	at akka.testkit.TestFSMRef.<init>(TestFSMRef.scala:40)
	at akka.testkit.TestFSMRef$.apply(TestFSMRef.scala:91)
	at org.apache.flink.mesos.scheduler.LaunchCoordinatorTest$Context.<init>(LaunchCoordinatorTest.scala:254)
	at org.apache.flink.mesos.scheduler.LaunchCoordinatorTest$$anonfun$1$$anonfun$apply$mcV$sp$8$$anonfun$apply$mcV$sp$15$$anonfun$apply$mcV$sp$34$$anon$25.<init>(LaunchCoordinatorTest.scala:459)
	at org.apache.flink.mesos.scheduler.LaunchCoordinatorTest$$anonfun$1$$anonfun$apply$mcV$sp$8$$anonfun$apply$mcV$sp$15$$anonfun$apply$mcV$sp$34.apply(LaunchCoordinatorTest.scala:459)
	at org.apache.flink.mesos.scheduler.LaunchCoordinatorTest$$anonfun$1$$anonfun$apply$mcV$sp$8$$anonfun$apply$mcV$sp$15$$anonfun$apply$mcV$sp$34.apply(LaunchCoordinatorTest.scala:459)
	at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
	at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
	at org.scalatest.Transformer.apply(Transformer.scala:22)
	at org.scalatest.Transformer.apply(Transformer.scala:20)
	at org.scalatest.WordSpecLike$$anon$1.apply(WordSpecLike.scala:1078)
	at org.scalatest.TestSuite$class.withFixture(TestSuite.scala:196)
	at org.apache.flink.mesos.scheduler.LaunchCoordinatorTest.withFixture(LaunchCoordinatorTest.scala:57)
	at org.scalatest.WordSpecLike$class.invokeWithFixture$1(WordSpecLike.scala:1075)
	at org.scalatest.WordSpecLike$$anonfun$runTest$1.apply(WordSpecLike.scala:1088)
	at org.scalatest.WordSpecLike$$anonfun$runTest$1.apply(WordSpecLike.scala:1088)
	at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
	at org.scalatest.WordSpecLike$class.runTest(WordSpecLike.scala:1088)
	at org.apache.flink.mesos.scheduler.LaunchCoordinatorTest.runTest(LaunchCoordinatorTest.scala:57)
	at org.scalatest.WordSpecLike$$anonfun$runTests$1.apply(WordSpecLike.scala:1147)
	at org.scalatest.WordSpecLike$$anonfun$runTests$1.apply(WordSpecLike.scala:1147)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:396)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
	at scala.collection.immutable.List.foreach(List.scala:392)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)