When shouldAdvanceTime: true and doing some synchronous work, time should still pass

[rluvaton]

We understand you have a problem and are in a hurry, but please provide us with some info to make it much more likely for your issue to be understood, worked on and resolved quickly.

• FakeTimers version : 9.1.0
• Environment : macOS Moterey 12.2.1
• Example URL :
• Other libraries you are using: tap

What did you expect to happen?

Time should still pass even when doing synchronous work

What actually happens
time is not updating

How to reproduce

Added test case in #423

[rluvaton]

Never mind:

Please note that this is achieved using the original setImmediate() API

It stated at the docs how it's implemented which means setImmediate won't be called when sync code is running because of how the event loop works...