tests

[Fix] Allow testing resources with multiple extensions #219

Job	Run time
minimum dependency versions	13s
py3.12 unit tests	14s
py3.13 unit tests	13s
style	34s
py3.10 unit tests	16s
py3.11 unit tests	14s
py3.9 unit tests	14s
doc	11s
	2m 9s

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