Test of package installation & execution #609

Job	Run time
build_conda (ubuntu-latest, conda, true)	7m 23s
build_pip (windows-latest, pip, true)	4m 33s
build_pip (macos-latest, pip, true)	2m 56s
build_conda (macos-latest, conda, true)	6m 7s
build_pip (ubuntu-latest, pip, false)	11m 9s
build_pip (ubuntu-latest, pip, true)	10m 19s
build_conda (windows-latest, conda, true)	6m 26s
	48m 53s

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