```ts
// MyComponent.stories.ts

// import type { Meta, StoryObj } from '@storybook/vue3'; for Vue 3
import type { Meta, StoryObj } from '@storybook/vue';

import { userEvent, waitFor, within } from '@storybook/testing-library';

import MyComponent from './MyComponent.vue';

const meta: Meta<typeof MyComponent> = {
  /* 👇 The title prop is optional.
   * See https://storybook.js.org/docs/vue/configure/overview#configure-story-loading
   * to learn how to generate automatic titles
   */
  title: 'WithAsync',
  component: MyComponent,
};

export default meta;
type Story = StoryObj<typeof MyComponent>;

/*
 * See https://storybook.js.org/docs/7.0/vue/writing-stories/play-function#working-with-the-canvas
 * to learn more about using the canvasElement to query the DOM
 */
export const ExampleAsyncStory: Story = {
  render: () => ({
    components: { MyComponent },
    template: '<MyComponent />',
  }),
  play: async ({ canvasElement }) => {
    const canvas = within(canvasElement);

    const Input = canvas.getByLabelText('Username', {
      selector: 'input',
    });
    await userEvent.type(Input, 'WrongInput', {
      delay: 100,
    });
    // See https://storybook.js.org/docs/7.0/vue/essentials/actions#automatically-matching-args to learn how to setup logging in the Actions panel
    const Submit = canvas.getByRole('button');
    await userEvent.click(Submit);

    await waitFor(async () => {
      await userEvent.hover(canvas.getByTestId('error'));
    });
  },
};
```