Use Trio in pytest to have async tests

[waynehamadi]

Duplicates

• I have searched the existing issues

Summary 💡

Tio is an async library, we need to use it in our tests.

It doesn't matter that core is not async, nothing prevents us from preparing for that.

Examples 🌈

No response

Motivation 🔦

No response

[anonhostpi]

related to #3863

[Boostrix]

And: #3870

[github-actions]

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[github-actions]

This issue was closed automatically because it has been stale for 10 days with no activity.