Update TermsQueryBuilderTests to include TermQuery

[harshavamsi]

Description

Quick follow up for #13480

Related Issues

Resolves #13480

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Failing checks are inspected and point to the corresponding known issue(s) (See: Troubleshooting Failing Builds)
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)
• Public documentation issue/PR created

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For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

✅ Gradle check result for 22ca17c: SUCCESS

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.42%. Comparing base (b15cb0c) to head (22ca17c).
Report is 256 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##               main   #13517     +/-   ##
===========================================
  Coverage     71.42%   71.42%             
- Complexity    59978    60973    +995     
===========================================
  Files          4985     5050     +65     
  Lines        282275   286865   +4590     
  Branches      40946    41571    +625     
===========================================
+ Hits         201603   204906   +3303     
- Misses        63999    65007   +1008     
- Partials      16673    16952    +279     

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[VachaShah]

LGTM!

[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch/backport-2.x
# Create a new branch
git switch --create backport/backport-13517-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 37df569367c5f57ee80785dbd446bd7ed7e49faa
# Push it to GitHub
git push --set-upstream origin backport/backport-13517-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-13517-to-2.x.

[VachaShah]

@harshavamsi this needs a manual backport.