Test Code Coverage [SYNTH-250]

[AlexD717]

Task

SYNTH-250

Symptom

There is currently no way to see our test code coverage, which can be useful when trying to identify what parts of our code aren't being tested.

Solution

Add the ability to run tests with code coverage

Verification

Run bun run test:coverage and then once its done open ./coverage/index.html

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Before merging, ensure the following criteria are met:

• All acceptance criteria outlined in the ticket are met.
• Necessary test cases have been added and updated.
• A feature toggle or safe disable path has been added (if applicable).
• User-facing polish:
  • Ask: "Is this ready-looking?"
• Cross-linking between Jira and GitHub:
  • PR links to the relevant Jira issue.
  • Jira ticket has a comment referencing this PR.