Boost test coverage

[gmrabian]

Summary

Add tests for files that had low coverage

Fixes #199

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)

How To Test

• Run yarn test:cov and verify coverage is above 90%

Checklist:

• [x] My code follows the style guidelines of this project and has no linting errors
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation, including any applicable ADRs
• [x] My changes generate no new warnings
• [x] I have added tests that fail without these changes
• [x] New and existing tests (unit, integration, accessibility) pass locally
• [ ] Documentation updated
• [ ] If there are security concerns they are addressed or ticketed after being discussed

[codeclimate[bot]]

Code Climate has analyzed commit 1e56188b and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (80% is the threshold).

This pull request will bring the total coverage in the repository to 95.4%.

View more on Code Climate.