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

   1 david_welcome_general:
   2   id: 1
   3   author_id: 1
   4   post_id: 1
   5   category_id: 1
   6
   7 mary_thinking_sti:
   8   id: 2
   9   author_id: 2
  10   post_id: 2
  11   category_id: 3
  12
  13 mary_thinking_general:
  14   id: 3
  15   author_id: 2
  16   post_id: 2
  17   category_id: 1