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

general:
  id: 1
  name: General
  type: Category

technology:
  id: 2
  name: Technology
  type: Category

sti_test:
  id: 3
  name: Special category
  type: SpecialCategory

cooking:
  id: 4
  name: Cooking
  type: Category