NOISSUE - Add Service Tests

[rodneyosodo]

What type of PR is this?

• [ ] Refactor
• [x] Feature
• [ ] Bug Fix
• [ ] Optimization
• [ ] Documentation Update
• [ ] Dependency Update

What does this do?

Add service layer tests

Which issue(s) does this PR fix/relate to?

• Related Issue #15

Have you included tests for your changes?

• [x] Yes
• [ ] No, and this is why:

Did you document any new/modified functionality?

• [ ] Yes
• [x] No, and this is why: No documentation needed

Notes

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 90.47619% with 6 lines in your changes are missing coverage. Please review.

:exclamation: No coverage uploaded for pull request base (main@0bb1df1). Click here to learn what that means.

Files	Patch %	Lines
ui/service.go	90.16%	6 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #239 +/- ## ======================================= Coverage ? 88.29% ======================================= Files ? 5 Lines ? 2307 Branches ? 0 ======================================= Hits ? 2037 Misses ? 208 Partials ? 62 ```

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