{
  "steps": [
    {
      "args": "run main.js",
      "output": "error.out",
      "exitCode": 1,
      "envs": {
        "DENO_FUTURE": "1"
      }
    },
    // Running the same multiple times, should warn each time.
    {
      "args": "run main.js",
      "output": "error.out",
      "exitCode": 1,
      "envs": {
        "DENO_FUTURE": "1"
      }
    },
    {
      "args": "run main.js",
      "output": "success.out"
    }
  ]
}