content: import React from 'react';
  
  export const EXPECTED_VALUE = 'THIS IS SO DONE';
  export const TIMEOUT = 5;
  
  class AsyncTestComponent extends React.Component {
    constructor(props) {
      super(props);
      this.state = {
        value: '',
      };
    }
  
    componentDidMount() {
      setTimeout(() => {
        this.setState({
          value: EXPECTED_VALUE,
        });
      }, TIMEOUT);
    }
  
    render() {
      const { value } = this.state;
      return <h1>{value}</h1>;
    }
  }
  
  export default {
    title: 'Async',
    includeStories: ['withTimeout'],
  };
  
  export const withTimeout = () => <AsyncTestComponent />;
  withTimeout.storyName = `with ${TIMEOUT}ms timeout simulating async operation`;
  