anchor.diff:  
           [{
               "workflow_instance": {
  -              "workflow": {
  -                "component_id": "styx-canary",
  -                "workflow_id": "LuigiCanary"
  +              "workflow_id": {
  +                "component_id": "styx-canary",
  +                "endpoint_id": "StyxCanary"
                 },
                 "parameter": "2016-07-13T08"
               },
  
positive.code:             }]
          }
  
  ## Workflow state [/v2/workflows/{component}/{workflow_id}/state]
  
  + Parameters
      + component: `styx-canary` (string) - Workflow Component
      + workflow_id: `LuigiCanary` (string) - Workflow ID
  
  ### Get Workflow state [GET]
  
  
negative.code:             "start": "2017-01-01T00:00:00Z",
              "end": "2017-01-02T00:00:00Z",
              "component": "styx-canary",
              "workflow": "StyxCanary",
              "concurrency": "10",
          }
  
  