feat: sol event encoding tests

[ramizhasan111]

Pull Request

Closes: PRO-1331

Checklist

Please conduct a thorough self-review before opening the PR.

• [x] I am confident that the code works.
• [x] I have written sufficient tests.
• [x] I have written and tested required migrations.
• [x] I have updated documentation where appropriate.

Summary

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Non-Breaking changes

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 71%. Comparing base (ecf4c58) to head (56941e6). Report is 4 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #5156 +/- ## ====================================== Coverage 71% 71% ====================================== Files 460 453 -7 Lines 81931 81372 -559 Branches 81931 81372 -559 ====================================== - Hits 58431 58102 -329 + Misses 20408 20165 -243 - Partials 3092 3105 +13 ```

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