| diff --git a/lucene/luke/src/test/org/apache/lucene/luke/models/overview/OverviewTestBase.java b/lucene/luke/src/test/org/apache/lucene/luke/models/overview/OverviewTestBase.java |
| index 5554d709941..fa7d0034439 100644 |
| --- a/lucene/luke/src/test/org/apache/lucene/luke/models/overview/OverviewTestBase.java |
| +++ b/lucene/luke/src/test/org/apache/lucene/luke/models/overview/OverviewTestBase.java |
| @@ -28,6 +28,8 @@ import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.index.DirectoryReader; |
| import org.apache.lucene.index.IndexReader; |
| +import org.apache.lucene.index.IndexWriterConfig; |
| +import org.apache.lucene.index.NoMergePolicy; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| @@ -55,7 +57,9 @@ public abstract class OverviewTestBase extends LuceneTestCase { |
| Path indexDir = createTempDir(); |
| |
| Directory dir = newFSDirectory(indexDir); |
| - RandomIndexWriter writer = new RandomIndexWriter(random(), dir, new MockAnalyzer(random())); |
| + IndexWriterConfig config = new IndexWriterConfig(new MockAnalyzer(random())); |
| + config.setMergePolicy(NoMergePolicy.INSTANCE); |
| + RandomIndexWriter writer = new RandomIndexWriter(random(), dir, config); |
| |
| Document doc1 = new Document(); |
| doc1.add(newStringField("f1", "1", Field.Store.NO)); |