docs/snippets/preact/component-test-with-testing-library.js.mdx
```js
// Form.test.js
import '@testing-library/jest-dom/extend-expect';
import { h } from 'preact';
import { render, fireEvent } from '@testing-library/preact';
import { InvalidForm } from './LoginForm.stories'; //👈 Our stories imported here.
it('Checks if the form is valid', () => {
const { getByTestId, getByText } = render(<InvalidForm {...InvalidForm.args} />);
fireEvent.click(getByText('Submit'));
const isFormValid = getByTestId('invalid-form');
expect(isFormValid).toBeInTheDocument();
});
```