error management Promise.all

promiseall.js

const wait = (ms) => new Promise(resolve => setTimeout(resolve, ms));

(async () => {

  await Promise.all([

    (async () => {
      console.log('a', '1');
      await wait(100);
      console.log('a', '2');
      await wait(100);
      console.log('a', '3');
      throw new Error('poueta');
    })(),
    (async () => {
      console.log('b', '1');
      await wait(100);
      console.log('b', '2');
      throw new Error('pouetb');
    })(),

  ]);

})().catch(console.error);