tests

Remove superfluous warnings from tests. #1649

Job	Run time
linting	26s
windows-latest py3.9	23m 49s
windows-latest py3.12	25m 49s
macos-14 py3.9	16m 56s
ubuntu-latest py3.9	17m 37s
ubuntu-latest py3.12	17m 1s
macos-14 py3.12	15m 35s
macos-13 py3.12	24m 8s
macos-13 py3.9	24m 27s
Build source distribution	0s
Publish build distributions	0s
	2h 45m 48s

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