unreliable test AzureTarFileTest.testWriteAndReadBinaryReferences

[INFO] [ERROR]   AzureTarFileTest>TarFileTest.testWriteAndReadBinaryReferences:174 expected:<{GCGeneration{generation=1,fullGeneration=0,isCompacted=false}={00000000-0000-0001-0000-000000000001=[r1], 00000000-0000-0001-0000-000000000000=[r0], 00000000-0000-0001-0000-000000000003=[r3], 00000000-0000-0001-0000-000000000002=[r2]}, GCGeneration{generation=2,fullGeneration=0,isCompacted=false}={00000000-0000-0002-0000-000000000002=[r6], 00000000-0000-0002-0000-000000000000=[r4], 00000000-0000-0002-0000-000000000001=[r5]}, GCGeneration{generation=3,fullGeneration=0,isCompacted=false}={00000000-0000-0003-0000-000000000001=[r8], 00000000-0000-0003-0000-000000000000=[r7]}}> but was:<{}>