**Build scan:**
https://gradle-enterprise.elastic.co/s/uffxmc6e6bqtm/tests/:modules:parent-join:test/org.elasticsearch.join.aggregations.ParentToChildrenAggregatorTests/testBestDeferringCollectorWithSubAggOfChildrenAggNeedingScores

**Reproduction line:**
`./gradlew ':modules:parent-join:test' --tests "org.elasticsearch.join.aggregations.ParentToChildrenAggregatorTests.testBestDeferringCollectorWithSubAggOfChildrenAggNeedingScores" -Dtests.seed=4FE7CCF03CEAFE4F -Dtests.locale=uk -Dtests.timezone=Europe/Copenhagen -Druntime.java=17`

**Applicable branches:**
main

**Reproduces locally?:**
Yes

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.join.aggregations.ParentToChildrenAggregatorTests&tests.test=testBestDeferringCollectorWithSubAggOfChildrenAggNeedingScores

**Failure excerpt:**
```
java.lang.IndexOutOfBoundsException: Index 1 out of bounds for length 1

  at __randomizedtesting.SeedInfo.seed([4FE7CCF03CEAFE4F:A64E48CA989589B9]:0)
  at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
  at jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
  at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
  at java.util.Objects.checkIndex(Objects.java:359)
  at java.util.ArrayList.get(ArrayList.java:427)
  at org.elasticsearch.join.aggregations.ParentToChildrenAggregatorTests.testBestDeferringCollectorWithSubAggOfChildrenAggNeedingScores(ParentToChildrenAggregatorTests.java:249)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
  at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:568)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
  at java.lang.Thread.run(Thread.java:833)

```
modules/parent-join/src/test/java/org/elasticsearch/join/aggregations/ParentToChildrenAggregatorTests.java
RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory);
            final Map<String, Tuple<Integer, Integer>> expectedParentChildRelations = setupIndex(indexWriter);
            indexWriter.close();
            try (
                IndexReader indexReader = ElasticsearchDirectoryReader.wrap(
                    DirectoryReader.open(directory),
                    new ShardId(new Index("foo", "_na_"), 1)
                )
            ) {
                IndexSearcher indexSearcher = newSearcher(indexReader, false, true);
                AggregationBuilder request = new TermsAggregationBuilder("t").field("kwd")
                    .subAggregation(
                        new ChildrenAggregationBuilder("children", CHILD_TYPE).subAggregation(
                            new MinAggregationBuilder("min").field("number")
                        )
                    );
                long expectedEvenChildCount = 0;
                double expectedEvenMin = Double.MAX_VALUE;
                long expectedOddChildCount = 0;
                double expectedOddMin = Double.MAX_VALUE;
                for (Map.Entry<String, Tuple<Integer, Integer>> e : expectedParentChildRelations.entrySet()) {
                    if (Integer.valueOf(e.getKey().substring("parent".length())) % 2 == 0) {
                        expectedEvenChildCount += e.getValue().v1();
                        expectedEvenMin = Math.min(expectedEvenMin, e.getValue().v2());
                    } else {
                        expectedOddChildCount += e.getValue().v1();
                        expectedOddMin = Math.min(expectedOddMin, e.getValue().v2());
                    }
                }
                StringTerms result = searchAndReduce(