Tests

Support transient /etc #1846

Job	Run time
Build (Fedora)	1m 59s
build-integration	7m 6s
Code style	50s
Build - FCOS minimal	1m 54s
Build (C9S)	2m 50s
Debian Stable with sign-ed25519 and FUSE 2	11m 11s
Debian Stable with curl, sign-ed25519, no gpgme, FUSE 3	8m 28s
Debian Stable 32 bit	9m 28s
Debian Stable without libsystemd	8m 18s
Debian Testing	1m 18s
Debian Testing with libsoup3	1m 13s
Debian stable + static-prepareroot	8m 5s
Ubuntu Latest Release	1m 43s
Privileged testing	45s
	1h 5m 8s

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