JSON-Schema-Test-Suite: Test that oneOf handles missing optional property

This shouldn’t really be necessary, but at least one validation library fails this test.

{
  "description": "oneOf complex types",
  "schema": {
    "oneOf": [
      {
        "properties": {
          "bar": {"type": "integer"}
         /* , "baz": {"type": "boolean"} <-- new optional propery, not in data */
        },
        "required": ["bar"]
      },
      {
        "properties": {
          "foo": {"type": "string"}
        },
        "required": ["foo"]
      }
    ]
  },
  "tests": [
    {
      "description": "first oneOf valid (complex)",
      "data": {"bar": 2},
      "valid": true
    },
    {
      "description": "second oneOf valid (complex)",
      "data": {"foo": "baz"},
      "valid": true
    },
    {
      "description": "both oneOf valid (complex)",
      "data": {"foo": "baz", "bar": 2},
      "valid": false
    },
    {
      "description": "neither oneOf valid (complex)",
      "data": {"foo": 2, "bar": "quux"},
      "valid": false
    }
  ]
}