TestFieldCacheSort.testFieldScoreReverse() failure

  [junit4] Suite: org.apache.solr.uninverting.TestFieldCacheSort
  [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestFieldCacheSort -Dtests.method=testFieldScoreReverse -Dtests.seed=7A20300F80199575 -Dtests.slow=true -Dtests.locale=th -Dtests.timezone=Chile/Continental -Dtests.asserts=true -Dtests.file.encoding=UTF-8
  [junit4] FAILURE 0.04s J1  | TestFieldCacheSort.testFieldScoreReverse <<<
  [junit4]    > Throwable #1: java.lang.AssertionError: expected:<0> but was:<1>
  [junit4]    > 	at __randomizedtesting.SeedInfo.seed([7A20300F80199575:1E7CB3871D41FF6]:0)
  [junit4]    > 	at org.apache.solr.uninverting.TestFieldCacheSort.testFieldScoreReverse(TestFieldCacheSort.java:445)
  [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
  [junit4]   2> NOTE: test params are: codec=Lucene62, sim=RandomSimilarity(queryNorm=false,coord=crazy): {contents=DFR I(n)L3(800.0), body=BM25(k1=1.2,b=0.75), value=org.apache.lucene.search.similarities.BooleanSimilarity@127b0929}, locale=th, timezone=Chile/Continental
  [junit4]   2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation 1.8.0_77 (64-bit)/cpus=16,threads=1,free=294612296,total=529006592
  [junit4]   2> NOTE: All tests run in this JVM: [BaseCdcrDistributedZkTest, HdfsTlogReplayBufferedWhileIndexingTest, TestBlobHandler, TestFreeTextSuggestions, ShardSplitTest, TestSolrIndexConfig, TestLockTree, TestFiltering, StatsComponentTest, PeerSyncWithIndexFingerprintCachingTest, TestRTimerTree, TestConfig, TestSubQueryTransformerDistrib, TestStandardQParsers, LeaderElectionContextKeyTest, TestUseDocValuesAsStored2, DebugComponentTest, UUIDFieldTest, TestRecovery, CollectionReloadTest, TestFieldCacheSort]
  [junit4] Completed [319/651 (2!)] on J1 in 1.52s, 60 tests, 1 failure <<< FAILURES!