code: async function start() {
    if (child) {
      await stop();
    }
  
    return new Promise((resolve) => {
      const serverPath = path.resolve(process.cwd(), 'packages/node_modules/@webex/test-helper-server');
  
      child = spawn(process.argv[0], [serverPath], {
        env: process.env,
        stdio: ['ignore', 'pipe', process.stderr]
      });
  
      child.stdout.on('data', (data) => {
        const message = `${data}`;
        const pattern = /.+/gi;
  
        if (message.match(pattern)) {
          resolve();
        }
      });
  
      process.on('exit', stop);
    });
  }
docs: Starts the test server
  @returns {Promise}