```js
// YourPage.stories.js

import DocumentScreen from './DocumentScreen.svelte';

import { rest } from 'msw';
export default {
  component: DocumentScreen,
  title: 'Mock Rest request with Storybook and MSW',
};

//👇The mocked data that will be used in the story
const TestData = {
  user: {
    userID: 1,
    name: 'Someone',
  },
  document: {
    id: 1,
    userID: 1,
    title: 'Something',
    brief: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
    status: 'approved',
  },
  subdocuments: [
    {
      id: 1,
      userID: 1,
      title: 'Something',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'approved',
    },
    {
      id: 2,
      userID: 1,
      title: 'Something else',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'awaiting review',
    },
    {
      id: 3,
      userID: 2,
      title: 'Another document',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'approved',
    },
    {
      id: 4,
      userID: 2,
      title: 'Something',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'approved',
    },
  ],
};

const PageTemplate = (args) => ({
  Component: DocumentScreen,
  props: args,
});

export const MockedSuccess = PageTemplate.bind({});
MockedSuccess.parameters = {
  msw: [
    rest.get('https://your-restful-endpoint', (_req, res, ctx) => {
      return res(ctx.json(TestData));
    }),
  ],
};

export const MockedError = PageTemplate.bind({});
MockedError.parameters = {
  msw: [
    rest.get('https://your-restful-endpoint', (_req, res, ctx) => {
      return res(ctx.delay(800), ctx.status(403));
    }),
  ],
};
```