TestUninvertingReader NPE

   [junit4] Suite: org.apache.lucene.uninverting.TestUninvertingReader
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestUninvertingReader -Dtests.method=testSortedSetIntegerManyValues -Dtests.seed=D1F0E8CD6B84BE29 -Dtests.slow=true -Dtests.locale=ar_BH -Dtests.timezone=America/North_Dakota/New_Salem -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
   [junit4] ERROR   1.26s | TestUninvertingReader.testSortedSetIntegerManyValues <<<
   [junit4]    > Throwable #1: java.lang.NullPointerException
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([D1F0E8CD6B84BE29:302C59F0FE05336F]:0)
   [junit4]    > 	at org.apache.lucene.uninverting.TestUninvertingReader.testSortedSetIntegerManyValues(TestUninvertingReader.java:277)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:745)
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene53): {trie_single=FSTOrd50, trie_multi=BlockTreeOrds(blocksize=128), notrie_multi=FST50, notrie_single=BlockTreeOrds(blocksize=128)}, docValues:{}, sim=DefaultSimilarity, locale=ar_BH, timezone=America/North_Dakota/New_Salem
   [junit4]   2> NOTE: Mac OS X 10.10.3 x86_64/Oracle Corporation 1.7.0_71 (64-bit)/cpus=8,threads=1,free=211776016,total=257425408