New Test Suite: Admin UI Components #11
Description
Summary
Add tests for WordPress admin interface development - only 1 admin columns test currently exists.
Current State
- Only 1 admin columns test
- No metabox tests
- No settings API tests
- No AJAX handler tests
Proposed Tests
Knowledge Tests
- Admin menu hierarchy
- Settings API structure
- Metabox contexts and priorities
- Admin notice types
Execution Tests
- Custom metabox registration and rendering
- Bulk actions on list tables
- AJAX handlers with nonce verification
- Settings API with sections and fields
- Custom admin pages with proper structure
- Admin notices (dismissible, different types)
Why This Matters
Admin UI development is common in plugins and themes. Models should understand WordPress admin patterns.