(maint) - Run all unit test files during rake spec

[jordanbreen28]

Summary

Tests were removed by mistake during CONT-867, so subsequent test breakage at 3a9156a9af16a6ad3ff9a2bfa179adb18f4b9d28 was easily missed. This reimplements the missing test cases to the spec rake task, and fixes the broken tests.

Additional Context

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• [ ] Root cause and the steps to reproduce. (If applicable)
• [ ] Thought process behind the implementation.

Related Issues (if any)

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Checklist

• [ ] 🟢 Spec tests.
• [ ] 🟢 Acceptance tests.
• [ ] Manually verified.

[codecov[bot]]

Codecov Report

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

Comparison is base (b53094e) 25.57% compared to head (f6d7bfa) 91.55%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #283 +/- ## =========================================== + Coverage 25.57% 91.55% +65.98% =========================================== Files 6 6 Lines 833 675 -158 =========================================== + Hits 213 618 +405 + Misses 620 57 -563 ```

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