CR: cleanup test_usb.py #2880

Job	Run time
Dependency	3s
Shellcheck	5s
Cache identify	7s
Prepare	8s
Ruff check and force	6s
Check commit	33s
Run pytest using Python 3.13	30s
Process test coverage	12s
Run mypy	0s
Build and publish Python 🐍 distributions 📦 to TestPyPI	11s
Process test complexity	11s
	2m 6s

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