testCompleted event should contain file path

[razzeee]

If I run elm-test --report json elm-test will find all files in my test folder and run them.

Unfortunatly the testCompleted event, doesn't let us know which file it is from.

{
  "event": "testCompleted",
  "status": "fail",
  "labels": [
    "RoutingTests",
    "Route.fromUrl",
    "Parsing hash: \"#login\""
  ],
  "failures": [
    {
      "given": null,
      "message": "Expect.equal",
      "reason": {
        "type": "Equality",
        "data": {
          "expected": "Just Login",
          "actual": "Nothing",
          "comparison": "Expect.equal"
        }
      }
    }
  ],
  "duration": "3"
}

[andys8]

Can the file name be extracted from the first label? Is it safe to do so? Thanks.

elmRoot + "/tests/" + output.labels[0].replace(/\./g, '/') + ".elm"