[
  {
    "id": 1,
    "title": "Loco::Adapter Tests",
    "body": "Use the AdapterTestHelper to test your data adapter.",
    "comment_ids": [1, 3]
  },
  {
    "id": 2,
    "title": "Another Post for Testing", 
    "body": "Making sure the tests aren't just getting lucky.",
    "comment_ids": [2]
  }
]
[
  {
    "id": 1,
    "title": "Loco::Adapter Tests",
    "body": "Use the AdapterTestHelper to test your data adapter."
  },
  {
    "id": 2,
    "title": "Another Post for Testing", 
    "body": "Making sure the tests aren't just getting lucky."
  }
]
Remove comment_ids from Post fixtures
Remove comment_ids from Post fixtures
