Lint

Simplify verification to just a sleep to maintain 100% coverage. #1212

Job	Run time
build (3.13, windows-latest, pre-commit)	1m 17s
build (3.13, windows-latest, pre-push)	2m 40s
build (3.13, ubuntu-latest, manual)	36s
build (3.13, ubuntu-latest, pre-commit)	38s
build (3.13, ubuntu-latest, pre-push)	1m 15s
build (3.13, windows-latest, manual)	3m 8s
completion-lint	3s
	9m 37s

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