tests

tests #254

Job	Run time
coverage (3.11)	4m 36s
test-windows (3.8)	3m 15s
test-linux-macos (3.8, ubuntu-latest)	1m 24s
test-windows (3.9)	3m 17s
test-linux-macos (3.8, macos-latest)	2m 45s
test-windows (3.10)	2m 22s
test-linux-macos (3.9, ubuntu-latest)	1m 34s
test-windows (3.11)	3m 45s
test-linux-macos (3.9, macos-latest)	2m 5s
test-linux-macos (3.10, ubuntu-latest)	2m 11s
test-linux-macos (3.10, macos-latest)	1m 51s
test-linux-macos (3.11, ubuntu-latest)	1m 51s
test-linux-macos (3.11, macos-latest)	2m 50s
	33m 46s

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