Tracking Issue: Tasks Component Test Improvements

### Overview

This is a tracking issue to organize the work for adding comprehensive tests to the Tasks component in smaller, reviewable PRs. Breaking down the original PR.

Related to: #300

### Tasks Component Tests

- [x] Keyboard Navigation Tests
- [ ] Priority Editing Tests
- [ ] Recur Editing Tests
- [ ] Reports Toggle Tests
- [ ] Annotation Tests
- [ ] Sorting
- [ ] Add Task Submission

### Shared Test Utilities (Reorg)

- [ ] Create `test-utils/helper.ts`
- [ ] Create `test-utils/setup.tsx`

### PRs

| Task | PR | Status | Feedback |
|------|-----|--------|-------|
| Reorganize into proper describe blocks | #435 | Close | not needed now(split needed)
| Keyboard Navigation Tests | #434 | Merged |
| Recur tests | - | - |
| Priority tests | #461 | Open |
| Reports tests | - | - |