Update test expectations to use semantic color tokens instead of hard-coded classes:
- bg-white → bg-interface-menu-component-surface-selected
- text-neutral-900 → text-primary/text-secondary
- hover:bg-zinc-200/50 → hover:bg-interface-menu-component-surface-hovered
## Summary
Simplify default scripts. Filtering is still available to users, we can
revisit tagging or grouping later.
This fixes the issue where we had tests that were in the codebase but
never run because they weren't under `/src/components`
Also deletes the duplicate litegraph tests and their associated vitest
config file.
## Changes
- **What**: Test cleanup
## Review Focus
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5888-Tests-Vitest-configuration-cleanup-2806d73d36508197b800f68f0b028279)
by [Unito](https://www.unito.io)
* add component test for select button
* [refactor] improve test structure and typing - addresses @DrJKL review comments
- Use proper SimplifiedWidget['options'] type instead of loose object type
- Extract helper functions as module-level function declarations for better organization
- Remove type assertion violation by using proper union type for null/undefined values
- Format code with prettier to maintain consistency
* [refactor] use safer optional chaining in test assertions - addresses @DrJKL's safety preference
Replace emitted\![0] with emitted?.[0] for safer array access in test expectations.
This follows the same pattern as applied to the textarea widget tests for consistency.
