Get baseline 100% clean coverage #3163

Job	Run time
checks / pre-commit	30s
checks / readme-snippets	10s
checks / test (3.10, lowest-direct, ubuntu-latest)	29s
checks / test (3.10, lowest-direct, windows-latest)	1m 28s
checks / test (3.10, highest, ubuntu-latest)	28s
checks / test (3.10, highest, windows-latest)	1m 23s
checks / test (3.11, lowest-direct, windows-latest)	1m 34s
checks / test (3.11, lowest-direct, ubuntu-latest)	27s
checks / test (3.11, highest, windows-latest)	1m 33s
checks / test (3.11, highest, ubuntu-latest)	25s
checks / test (3.12, lowest-direct, ubuntu-latest)	24s
checks / test (3.12, highest, ubuntu-latest)	27s
checks / test (3.12, highest, windows-latest)	1m 23s
checks / test (3.12, lowest-direct, windows-latest)	1m 34s
checks / test (3.13, lowest-direct, windows-latest)	1m 43s
checks / test (3.13, highest, ubuntu-latest)	22s
checks / test (3.13, highest, windows-latest)	2m 5s
checks / test (3.13, lowest-direct, ubuntu-latest)	25s
	16m 50s

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