Add running pytest to GitHub action #41

Job	Run time
bookworm armv7 / build	15m 41s
bullseye armv7 / build	14m 8s
bullseye armv7 / test (run_install_common.sh)	13m 52s
bullseye armv7 / test (run_install_faststartup.sh)	9m 22s
bullseye armv7 / test (run_install_webapp_local.sh)	14m 44s
bullseye armv7 / test (run_install_webapp_download.sh)	14m 53s
bullseye armv7 / test (run_install_libzmq_local.sh)	22m 43s
bookworm armv7 / test (run_install_common.sh)	14m 23s
bookworm armv7 / test (run_install_faststartup.sh)	9m 12s
bookworm armv7 / test (run_install_webapp_local.sh)	13m 48s
bookworm armv7 / test (run_install_webapp_download.sh)	15m 7s
bookworm armv7 / test (run_install_libzmq_local.sh)	24m 17s
bullseye armv7 / cleanup	2s
bookworm armv7 / cleanup	4s
	3h 2m 16s

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