[
  {
    "description": "required keyword with empty array",
    "schema": {
      "required": []
    },
    "tests": [
      {
        "description": "object with property is valid",
        "data": { "foo": 1 },
        "valid": true
      },
      {
        "description": "empty object is valid",
        "data": {},
        "valid": true
      },
      {
        "description": "non-object is valid",
        "data": 1,
        "valid": true
      }
    ]
  }
]