test: Rework test infrastructure #257

Job	Run time
format_code / fmt	3s
build_dev_container / build_dev_container	1m 10s
integration_test / test	5m 54s
unit_test / test	5m 4s
build / build	5m 51s
lint / lint	4m 38s
build_release_image / build	32s
	23m 12s

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