Match Query Unit Tests

[forestmvey]

Description

Add unit tests for match function implementation with 100% code coverage.

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov-commenter]

Codecov Report

Merging #614 (d2184f8) into main (a7d4395) will decrease coverage by 31.82%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##               main     #614       +/-   ##
=============================================
- Coverage     94.59%   62.76%   -31.83%     
=============================================
  Files           276       10      -266     
  Lines          7455      658     -6797     
  Branches        551      119      -432     
=============================================
- Hits           7052      413     -6639     
+ Misses          349      192      -157     
+ Partials         54       53        -1     

Flag	Coverage Δ
query-workbench	62.76% <ø> (ø)
sql-engine	?

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Impacted Files	Coverage Δ
...age/script/filter/lucene/relevance/MatchQuery.java
...search/response/agg/NoBucketAggregationParser.java
...rg/opensearch/sql/ppl/domain/PPLQueryResponse.java
...arch/storage/system/OpenSearchSystemIndexScan.java
...l/opensearch/setting/LegacyOpenDistroSettings.java
...ch/request/system/OpenSearchCatIndicesRequest.java
.../opensearch/monitor/OpenSearchResourceMonitor.java
.../opensearch/sql/expression/FunctionExpression.java
...esponse/format/VisualizationResponseFormatter.java
...ch/planner/logical/rule/MergeSortAndIndexScan.java
... and 256 more

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