tests

workaround for hdiutil error on mac #140

Job	Run time
build (Windows Python 3.11, windows-latest, 3.11)	53s
build (Latest Python 3.x, ubuntu-latest, 3.x)	1m 54s
build (OS X Python 3.10, macos-latest, 3.10)	1m 1s
deploy	-1s
	3m 47s

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