NEXT Implement Svelte component unit tests

[endigo9740]

Linked Issue

Closes #2363

Description

• Implements Vitest + Testing Library for the Svelte components package.
• Implements test cases for all current components.

Checklist

Please read and apply all contribution requirements.

• Your branch should be prefixed with: docs/, feature/, chore/, bugfix/
• Skeleton v3 contributions must target the next branch (NEVER dev or master)
• Documentation should be updated to describe all relevant changes
• Run pnpm check in the root of the monorepo
• Run pnpm format in the root of the monorepo
• Run pnpm lint in the root of the monorepo
• Run pnpm test in the root of the monorepo
• If you modify /package projects, please supply a Changeset

Changsets

View our documentation to learn more about Changesets. To create a Changeset:

1. Navigate to the root of the monorepo in your terminal
2. Run pnpm changeset and follow the prompts
3. Commit and push the changeset before flagging your PR review for review.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
skeleton-docs	❌ Failed (Inspect)			Nov 15, 2024 7:38pm
skeleton-next	❌ Failed (Inspect)			Nov 15, 2024 7:38pm
skeleton-themes	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 15, 2024 7:38pm

[changeset-bot]

⚠️ No Changeset found

Latest commit: 66b63f6

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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Click here to learn what changesets are, and how to add one.

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[endigo9740]

The configuration on this PR is borked, so we're going to move over to: #2968