tests

Fix a couple refurb warnings #3698

Job	Run time
test_cygwin (39, windows-latest)	12m 58s
test (3.8, ubuntu-latest)	2m 56s
collateral (diffcov)	5m 47s
test (3.8, macos-latest)	3m 13s
collateral (docs)	1m 4s
test (3.8, windows-latest)	3m 6s
test (3.11, ubuntu-latest)	3m 14s
test (3.11, macos-latest)	3m 19s
test (3.11, windows-latest)	3m 0s
test (3.12, ubuntu-latest)	3m 14s
test (3.12, macos-latest)	3m 8s
test (3.12, windows-latest)	3m 5s
test (3.9, ubuntu-latest)	3m 11s
test (3.10, ubuntu-latest)	3m 12s
test (pypy3.10, ubuntu-latest, stdlib)	3m 13s
test (ubuntu-latest, 3.10, stdlib)	3m 10s
integration-test	0s
check	3s
release	1s
	1h 0m 54s

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