import json


def get_robot_constraints_json() -> str:
  """Return a test robot_constraints.json."""
  robot_constraints = {
      "devices": [{
          "deviceType": "robot",
          "parameters": {
              "jointLimits": [[-363.0000016970871, 363.00000013981145],
                              [-363.0000016970871, 363.00000013981145],
                              [-363.0000016970871, 363.00000013981145],
                              [-363.0000016970871, 363.00000013981145],
                              [-363.0000016970871, 363.00000013981145],
                              [-363.0000016970871, 363.00000013981145]],
          }
      }],
      "version": 20200101,
  }
  return json.dumps(robot_constraints)