IVF unit tests fail randomly

macos arm64:
<img width="759" height="145" alt="Image" src="https://github.com/user-attachments/assets/d8d5e73a-c1dd-44d4-86a4-c75f196ed557" />
windows-2025:
<img width="981" height="61" alt="Image" src="https://github.com/user-attachments/assets/951c9d01-8100-4307-b6eb-ea1ccd43c269" />