Add 100% clean coverage #2685

Job	Run time
checks / readme-snippets	10s
checks / pre-commit	28s
checks / test (3.11, highest, windows-latest)	2m 36s
checks / test (3.11, lowest-direct, windows-latest)	2m 47s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 8s
checks / test (3.10, highest, windows-latest)	2m 39s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 10s
checks / test (3.10, highest, ubuntu-latest)	1m 5s
checks / test (3.11, highest, ubuntu-latest)	1m 5s
checks / test (3.12, highest, windows-latest)	2m 37s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.13, lowest-direct, windows-latest)	2m 36s
checks / test (3.12, lowest-direct, windows-latest)	3m 3s
checks / test (3.10, lowest-direct, windows-latest)	2m 48s
checks / test (3.13, highest, ubuntu-latest)	1m 3s
checks / test (3.13, highest, windows-latest)	2m 41s
checks / test (3.12, highest, ubuntu-latest)	1m 4s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 7s
	31m 16s

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