Index: src/test/org/apache/lucene/index/TestSizeBoundedOptimize.java
===================================================================
--- src/test/org/apache/lucene/index/TestSizeBoundedOptimize.java	(revision 1026572)
+++ src/test/org/apache/lucene/index/TestSizeBoundedOptimize.java	(working copy)
@@ -137,6 +137,7 @@
     
     IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, null);
     conf.setMergePolicy(NoMergePolicy.COMPOUND_FILES);
+    conf.setMaxBufferedDocs(conf.getMaxBufferedDocs() < 4? 4: conf.getMaxBufferedDocs());
     IndexWriter writer = new IndexWriter(dir, conf);
     
     addDocs(writer, 5);