Flaky test-vm-timeout-escape-queuemicrotask

Seen on https://ci.nodejs.org/job/node-test-pull-request/29435/, but seems to be happening on master-daily as well:

```
07:43:09 not ok 650 known_issues/test-vm-timeout-escape-queuemicrotask
07:43:09   ---
07:43:09   duration_ms: 1.242
07:43:09   severity: fail
07:43:09   stack: |-
07:43:09   ...
```