-
  repo_id: 1
  topic_id: 1

-
  repo_id: 1
  topic_id: 2

-
  repo_id: 1
  topic_id: 3

-
  repo_id: 33
  topic_id: 1

-
  repo_id: 33
  topic_id: 4

-
  repo_id: 2
  topic_id: 5

-
  repo_id: 2
  topic_id: 6

# DO NOT add more test data in the fixtures, test case should prepare their own test data separately and clearly