Deadlock in GMSJoinLeaveJUnitTest

Found one Java-level deadlock:
=============================
"Geode Membership View Creator":
  waiting to lock monitor 0x00000000153187e8 (object 0x00000000f09102e8, a java.util.LinkedList),
  which is held by "Test worker"
"Test worker":
  waiting to lock monitor 0x00000000149d5ad8 (object 0x00000000f09227a8, a org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave$ViewCreator),
  which is held by "Geode Membership View Creator"

Java stack information for the threads listed above:
===================================================
"Geode Membership View Creator":
	at org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave$ViewCreator.informToPendingJoinRequests(GMSJoinLeave.java:2153)
	- waiting to lock <0x00000000f09102e8> (a java.util.LinkedList)
	- locked <0x00000000f09227a8> (a org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave$ViewCreator)
	at org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave$ViewCreator.run(GMSJoinLeave.java:2137)
"Test worker":
	at org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave$ViewCreator.informToPendingJoinRequests(GMSJoinLeave.java:2143)
	- waiting to lock <0x00000000f09227a8> (a org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave$ViewCreator)
	at org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave.recordViewRequest(GMSJoinLeave.java:679)
	- locked <0x00000000f09102e8> (a java.util.LinkedList)
	at org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave.processRemoveRequest(GMSJoinLeave.java:666)
	at org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeave.processMessage(GMSJoinLeave.java:1704)
	at org.apache.geode.distributed.internal.membership.gms.membership.GMSJoinLeaveJUnitTest.testViewNotSentWhenShuttingDown(GMSJoinLeaveJUnitTest.java:1103)