rails--rails/activerecord/test/fixtures/readers.yml

michael_welcome:
  id: 1
  post_id: 1
  person_id: 1
  first_post_id: 2

michael_authorless:
  id: 2
  post_id: 3
  person_id: 1
  first_post_id: 3

bob_welcome:
  id: 3
  post_id: 8
  person_id: 4
  first_post_id: 10