Docker: Fix PHP tests

[bookstack] / dev / api / responses / books-read.json

{
  "id": 16,
  "name": "My own book",
  "slug": "my-own-book",
  "description": "This is my own little book",
  "created_at": "2020-01-12 14:09:59",
  "updated_at": "2020-01-12 14:11:51",
  "created_by": {
    "id": 1,
    "name": "Admin"
  },
  "updated_by": {
    "id": 1,
    "name": "Admin"
  },
  "owned_by": {
    "id": 1,
    "name": "Admin"
  },
  "tags": [
    {
      "id": 13,
      "name": "Category",
      "value": "Guide",
      "order": 0
    }
  ],
  "cover": {
    "id": 452,
    "name": "sjovall_m117hUWMu40.jpg",
    "url": "https:\/\/p.rizon.top:443\/http\/bookstack.local\/uploads\/images\/cover_book\/2020-01\/sjovall_m117hUWMu40.jpg",
    "created_at": "2020-01-12 14:11:51",
    "updated_at": "2020-01-12 14:11:51",
    "created_by": 1,
    "updated_by": 1,
    "path": "\/uploads\/images\/cover_book\/2020-01\/sjovall_m117hUWMu40.jpg",
    "type": "cover_book",
    "uploaded_to": 16
  }
}