Test data

Summary

1. In tests/db-utils.ts, create a new utility called createNotes. Why.
2. Complete the test at tests/e2e/notes-list.test.ts. Use the new createNotes utility to seed some notes for the tested user as a part of the test setup.
3. Visit the page that lists all the user's notes.
4. Assert that all the notes are visible. Accessibility!
5. npm run test:e2e.