anchor.diff:                          "workflows": ["1", "2"]
                           "owner": {
                               "id": 10,
  -                            "type": "user_groups"
  +                            "type": "user_groups",
  +                            "href": "user_groups/10"
                           }
                       }
                   }
  
positive.code:                     "links": {
                          "owner": {
                              "id": "11",
                              "href": "/groups/11",
                              "type": "user_groups"
                          }
                      }
                  }]
  
negative.code:                     "roles": ["collaborator"],
                      "links": {
                          "project": "1",
                          "owner": {
                              "id": "842",
                              "type": "users",
                              "href": "users/842"
                          }
                      }
                  }
              }
  