How do I handle errors in async tests using Jest?

How do I handle errors in async tests using Jest?

You can handle errors in async tests by using try-catch blocks or by returning a rejected promise. Would you like an example?

Yes, please provide an example of both methods.

Sure! For try-catch, you can do:

test('async test with try-catch', async () => {
  try {
    await someAsyncFunction();
  } catch (error) {
    expect(error).toBeDefined();
  }
});

And for returning a rejected promise:

test('async test with promise rejection', () => {
  return expect(someAsyncFunction()).rejects.toThrow();
});

What if I want to test multiple async functions?

You can use Promise.all to handle multiple async functions. Just ensure you await the results properly.