GH-37562: [Ruby] Add support for table.each_raw_record.to_a

[otegami]

Rationale for this change

This change aligns the behavior of each_raw_record with standard Ruby practices by returning an enumerator when no block is provided

What changes are included in this PR?

• Made Arrow::Table#each_raw_record and Arrow::RecordBatch#each_raw_record return Enumerator when it was called without block.
• Added related tests
• Resolved warnings related to duplicate test classes which were caused by GH-33749: [Ruby] Add Arrow::RecordBatch#each_raw_record apache/arrow#37137

Are these changes tested?

Yes.

Are there any user-facing changes?

No

Closes: apache#37562

[github-actions]

Thanks for opening a pull request!

If this is not a minor PR. Could you open an issue for this pull request on GitHub? https://github.com/apache/arrow/issues/new/choose

Opening GitHub issues ahead of time contributes to the Openness of the Apache Arrow project.

Then could you also rename the pull request title in the following format?

GH-${GITHUB_ISSUE_ID}: [${COMPONENT}] ${SUMMARY}

or

MINOR: [${COMPONENT}] ${SUMMARY}

In the case of PARQUET issues on JIRA the title also supports:

PARQUET-${JIRA_ISSUE_ID}: [${COMPONENT}] ${SUMMARY}

See also:

• Other pull requests
• Contribution Guidelines - How to contribute patches

[github-actions]

❌ GitHub issue apache#37562 could not be retrieved.

[github-actions]

❌ GitHub issue apache#37562 could not be retrieved.

[github-actions]

❌ GitHub issue apache#37562 could not be retrieved.

[otegami]

I will create the PR on the original repo.