{
  "formatLabel": [
    {
      "desc": "handles simple words",
      "input": "users",
      "expected": "Users"
    },
    {
      "desc": "handles underscores",
      "input": "active_users",
      "expected": "Active users"
    }
  ],
  "formatValue": [
    {
      "desc": "handles zero",
      "input": 0,
      "expected": "0"
    },
    {
      "desc": "handles negative numbers",
      "input": -100,
      "expected": "-100"
    }
  ]
}