tests

[Fix] Allow testing resources with multiple extensions #204

Job	Run time
minimum dependency versions	24s
doc	32s
style	29s
py3.12 unit tests	25s
py3.13 unit tests	24s
py3.11 unit tests	23s
py3.10 unit tests	26s
py3.9 unit tests	33s
	3m 36s

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