[Flaky Test] HybridQueryTests.testWithRandomDocuments_whenMultipleTermSubQueriesWithMatch_thenReturnSuccessfully

[ryanbogan]

#1336 introduced a flaky test org.opensearch.neuralsearch.query.HybridQueryTests.testWithRandomDocuments_whenMultipleTermSubQueriesWithMatch_thenReturnSuccessfully.

The test needs be investigated and fixed so it is not flaky.

[heemin32]

REPRODUCE WITH: gradlew ':test' --tests "org.opensearch.neuralsearch.query.HybridQueryTests.testWithRandomDocuments_whenMultipleTermSubQueriesWithMatch_thenReturnSuccessfully" -Dtests.seed=D6D9F52CDEBD6AE7 -Dtests.security.manager=false -Dtests.locale=pt-MO -Dtests.timezone=Australia/Darwin -Druntime.java=23
HybridQueryTests > testWithRandomDocuments_whenMultipleTermSubQueriesWithMatch_thenReturnSuccessfully FAILED
    java.lang.AssertionError
        at __randomizedtesting.SeedInfo.seed([D6D9F52CDEBD6AE7:9F6ADF20695CBC7C]:0)
        at org.apache.lucene.tests.search.AssertingLeafCollector$AssertingDocIdStream.forEach(AssertingLeafCollector.java:141)
        at org.apache.lucene.tests.search.AssertingLeafCollector$AssertingDocIdStream.forEach(AssertingLeafCollector.java:132)
        at org.apache.lucene.tests.search.AssertingLeafCollector$AssertingDocIdStream.forEach(AssertingLeafCollector.java:132)
        at org.apache.lucene.search.LeafCollector.collect(LeafCollector.java:106)
        at org.apache.lucene.tests.search.AssertingLeafCollector.collect(AssertingLeafCollector.java:50)
        at org.apache.lucene.tests.search.AssertingLeafCollector.collect(AssertingLeafCollector.java:50)
        at org.apache.lucene.tests.search.AssertingLeafCollector.collect(AssertingLeafCollector.java:50)
        at org.opensearch.neuralsearch.query.HybridBulkScorer.scoreWindowIntoBitSetWithSubqueryScorers(HybridBulkScorer.java:150)
        at org.opensearch.neuralsearch.query.HybridBulkScorer.scoreWindow(HybridBulkScorer.java:98)
        at org.opensearch.neuralsearch.query.HybridBulkScorer.score(HybridBulkScorer.java:79)
        at org.apache.lucene.tests.search.AssertingBulkScorer.score(AssertingBulkScorer.java:79)
        at org.apache.lucene.search.IndexSearcher.searchLeaf(IndexSearcher.java:849)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:809)
        at org.apache.lucene.tests.search.AssertingIndexSearcher.search(AssertingIndexSearcher.java:77)
        at org.apache.lucene.search.IndexSearcher.lambda$search$1(IndexSearcher.java:779)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at org.apache.lucene.search.TaskExecutor$Task.run(TaskExecutor.java:173)
        at org.apache.lucene.search.TaskExecutor.invokeAll(TaskExecutor.java:111)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:783)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:750)
        at org.apache.lucene.search.IndexSearcher.searchAfter(IndexSearcher.java:596)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:619)
        at org.opensearch.neuralsearch.query.HybridQueryTests.testWithRandomDocuments_whenMultipleTermSubQueriesWithMatch_thenReturnSuccessfully(HybridQueryTests.java:176)