vendor/rails/activerecord/test/fixtures/categories_posts.yml

   1 general_welcome:
   2   category_id: 1
   3   post_id: 1
   4
   5 technology_welcome:
   6   category_id: 2
   7   post_id: 1
   8
   9 general_thinking:
  10   category_id: 1
  11   post_id: 2
  12
  13 general_sti_habtm:
  14   category_id: 1
  15   post_id: 6
  16
  17 sti_test_sti_habtm:
  18   category_id: 3
  19   post_id: 6
  20
  21 general_hello:
  22   category_id: 1
  23   post_id: 4