message: Update test with ending position
diff: "col": 3,
  "row": 3
  },
  + "pos_end": {
  + "col": 21,
  + "row": 3
  + },
  "type": "int",
  "value": 1
  },
  "col": 3,
  "row": 4
  },
  + "pos_end": {
  + "col": 21,
  + "row": 4
  + },
  "type": "int",
  "value": 2
  },
  "pos": {
  "col": 3,
  "row": 5
  + },
  + "pos_end": {
  + "col": 14,
  + "row": 5
  }
  },
  {
  "pos": {
  "col": 1,
  "row": 6
  + },
  + "pos_end": {
  + "col": 8,
  + "row": 6
  }
  },
  {
  "col": 3,
  "row": 7
  },
  + "pos_end": {
  + "col": 23,
  + "row": 7
  + },
  "type": "int"
  },
  {
  "pos": {
  "col": 3,
  "row": 8
  + },
  + "pos_end": {
  + "col": 12,
  + "row": 8
  }
  }
  ],
  "pos": {
  "col": 1,
  "row": 2
  + },
  + "pos_end": {
  + "col": 7,
  + "row": 2
  }
  }
  ]
  