storybook/docs/snippets/vue/portable-stories-jest-compose-stories.ts.mdx

```ts
// Button.test.ts
import { test, expect } from '@jest/globals';
import { render, screen } from '@testing-library/vue';
import { composeStories } from '@storybook/vue3';

// Import all stories and the component annotations from the stories file
import * as stories from './Button.stories';

// Every component that is returned maps 1:1 with the stories,
// but they already contain all annotations from story, meta, and project levels
const { Primary, Secondary } = composeStories(stories);

test('renders primary button with default args', () => {
  render(Primary);
  const buttonElement = screen.getByText('Text coming from args in stories file!');
  expect(buttonElement).not.toBeNull();
});

test('renders primary button with overriden props', () => {
  // You can override props and they will get merged with values from the story's args
  render(Primary, { props: { label: 'Hello world' } });
  const buttonElement = screen.getByText(/Hello world/i);
  expect(buttonElement).not.toBeNull();
});
```