openapi generator schema example with different return types for different codes

test.json

{
    "swagger": "2.0",
    "host": "test.test",
    "schemes": ["https"],
    "info": { "version": "1.0", "title": "Test" },
    "paths": {
        "/test": {
            "get": {
                "summary": "Test",
                "description": "Test",
                "operationId": "test",
                "produces": ["application/json"],
                "parameters": [],
                "responses": {
                    "200": {
                        "description": "Successful operation",
                        "schema": { "$ref": "#/definitions/TestResponse" }
                    },
                    "default": {
                        "description": "Unexpected error",
                        "schema": { "$ref": "#/definitions/ErrorResponse" }
                    }
                }
            }
        }
    },
    "definitions": {
        "TestResponse": {
            "type": "object",
            "properties": {
                "testField": { "type": "integer" }
            }
        },
        "ErrorResponse": {
            "type": "object",
            "properties": {
                "errorMessage": { "type": "string" }
            }
        }
    }
}