[Backport 2.x] Fixing concurrent search tests with one slice

[opensearch-trigger-bot]

Backport 747f7d1 from #11071.

[github-actions]

Compatibility status:

Checks if related components are compatible with change 59fa1d1

Incompatible components

Incompatible components: [https://github.com/opensearch-project/performance-analyzer.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/ml-commons.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/29626/
• CommitID: 59fa1d1
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[ticheng-aws]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/29626/
• CommitID: 59fa1d1
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

This is a known flaky test #10798

Tests with failures:
 - org.opensearch.search.suggest.CompletionSuggestSearchIT.testSkipDuplicates {p0={"search.concurrent_segment_search.enabled":"true"}}

4538 tests completed, 1 failed, 41 skipped

[ticheng-aws]

Hi @kkmr, @sohami, @reta, please help to merge/re-run gradle check for this backport.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/29727/
• CommitID: 59fa1d1

[codecov]

Codecov Report

Merging #11115 (59fa1d1) into 2.x (7bf2a3a) will increase coverage by 0.03%.
Report is 8 commits behind head on 2.x.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.x   #11115      +/-   ##
============================================
+ Coverage     70.98%   71.01%   +0.03%     
+ Complexity    58932    58885      -47     
============================================
  Files          4851     4851              
  Lines        278030   278030              
  Branches      40766    40766              
============================================
+ Hits         197357   197447      +90     
+ Misses        63916    63768     -148     
- Partials      16757    16815      +58     

see 461 files with indirect coverage changes