build/tools/json_validator/test/test_schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "json_validator test schema",
  "description": "A basic JSON schema used for testing json_validator",
  "type": "object",
  "properties": {
    "message": {
      "description": "An arbitrary message",
      "type": "string"
    }
  },
  "required": [ "message" ]
}