{
  "name": "verify-form-immediate",
  "nodes": [
    {"id": "n1", "name": "Form", "type": "form-trigger", "position": {"x": 0, "y": 0},
     "config": {"title": "Slow job", "responseMode": "immediate",
                "responseMessage": "Started, check back later.",
                "fields": [{"name": "note", "label": "Note", "type": "text"}]}},
    {"id": "n2", "name": "Slow", "type": "code", "position": {"x": 0, "y": 100},
     "config": {"code": "const end = Date.now() + 40000; while (Date.now() < end) {} return { done: true };",
                "timeout": 60}}
  ],
  "connections": [
    {"sourceNodeId": "n1", "sourceOutput": "main", "targetNodeId": "n2", "targetInput": "data"}
  ],
  "http": {
    "method": "POST",
    "path": "/webhook/{workflowId}",
    "multipart": {"fields": {"note": "hello"}, "files": {}},
    "expectStatus": 200,
    "expectBodyContains": ["Started, check back later."]
  }
}