RegionWithHDFSOffHeapBasicDUnitTest.testWOFileSizeParam() fails due to orphan objects

    dunit.RMIException: While invoking com.gemstone.gemfire.cache.hdfs.internal.RegionWithHDFSOffHeapBasicDUnitTest$1.run in VM 0 running on Host asf902.gq1.ygridcore.net with 4 VMs
        at dunit.VM.invoke(VM.java:359)
        at dunit.VM.invoke(VM.java:303)
        at dunit.VM.invoke(VM.java:257)
        at dunit.DistributedTestCase.invokeInEveryVM(DistributedTestCase.java:165)
        at com.gemstone.gemfire.cache.hdfs.internal.RegionWithHDFSOffHeapBasicDUnitTest.tearDown2(RegionWithHDFSOffHeapBasicDUnitTest.java:49)

        Caused by:
        junit.framework.AssertionFailedError: expected:<[]> but was:<[MemoryBlock{MemoryAddress=140140858904640, State=ALLOCATED, BlockSize=1048600, SlabId=0, FreeListId=NONE, RefCount=1, com.gemstone.gemfire.internal.offheap.SimpleMemoryAllocatorImpl$GemFireChunk$1@2fd9bddb, isSerialized=true, isCompressed=false, DataType=java.lang.String, DataValue=VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV....(2MB string)}]>