Eventually does not support async methods

[jacobhzen]

New Feature Request Checklist

• [x] I searched the existing GitHub feature requests

Overview

Looking to use eventually to verify the execution of async methods:

Task {
  guard bird.canFly else { return }
  await bird.fly()
}

eventually {
  verify(bird.canFly).wasCalled()
  verify(await bird.fly()).wasCalled()
}

waitForExpectations(timeout: 1)