From fb5037f841bee89fc36b5359ef0a7746b0a99b89 Mon Sep 17 00:00:00 2001
From: Benjamin Trent <ben.w.trent@gmail.com>
Date: Fri, 26 Jan 2024 07:16:27 -0500
Subject: [PATCH] Do not use mock merge policy for TestGrouping (#13034)

---
 .../apache/lucene/search/grouping/TestGrouping.java  | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lucene/grouping/src/test/org/apache/lucene/search/grouping/TestGrouping.java b/lucene/grouping/src/test/org/apache/lucene/search/grouping/TestGrouping.java
index 88877d0700b..089e1ca41f8 100644
--- a/lucene/grouping/src/test/org/apache/lucene/search/grouping/TestGrouping.java
+++ b/lucene/grouping/src/test/org/apache/lucene/search/grouping/TestGrouping.java
@@ -611,7 +611,11 @@ public class TestGrouping extends LuceneTestCase {
     }
 
     RandomIndexWriter w =
-        new RandomIndexWriter(random(), dir, newIndexWriterConfig(new MockAnalyzer(random())));
+        new RandomIndexWriter(
+            random(),
+            dir,
+            newIndexWriterConfig(new MockAnalyzer(random()))
+                .setMergePolicy(newMergePolicy(random(), false)));
 
     final List<List<Document>> updateDocs = new ArrayList<>();
 
@@ -731,7 +735,11 @@ public class TestGrouping extends LuceneTestCase {
 
       Directory dir = newDirectory();
       RandomIndexWriter w =
-          new RandomIndexWriter(random(), dir, newIndexWriterConfig(new MockAnalyzer(random())));
+          new RandomIndexWriter(
+              random(),
+              dir,
+              newIndexWriterConfig(new MockAnalyzer(random()))
+                  .setMergePolicy(newMergePolicy(random(), false)));
       Document doc = new Document();
       Document docNoGroup = new Document();
       Field idvGroupField = new SortedDocValuesField("group", new BytesRef());