Test(data): add test coverage for getEvents utility

[cesarhenrq]

re #986

Description

Adds test coverage for the getEvents utility function in the data package.

Changes

• Created new test file getEvents.test.ts
• Added test cases for basic event fetching
• Added test cases for filter arguments
• Added test cases for startBlock parameter
• Added test cases for edge cases (empty arrays, undefined args)
• Added test cases for error handling

Testing

• All tests are passing
• Edge cases are properly handled

Related Issue(s)

Closes #986

Checklist

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have run yarn format and yarn lint without getting any errors
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Important

We do not accept pull requests for minor grammatical fixes (e.g., correcting typos, rewording sentences) or for fixing broken links, unless they significantly improve clarity or functionality. These contributions, while appreciated, are not a priority for merging. If you notice any of these issues, please create a GitHub Issue to report them so they can be properly tracked and addressed.

[vplasencia]

Hey @cesarhenrq! Great work 🚀

Thank you very much for creating this PR.

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