Tests

Support transient /etc #1826

Job	Run time
Build (Fedora)	1m 57s
Build (C9S)	2m 19s
build-integration	8m 11s
Code style	48s
Build - FCOS minimal	2m 43s
Debian Stable with sign-ed25519 and FUSE 2	5m 29s
Debian Stable with curl, sign-ed25519, no gpgme, FUSE 3	5m 10s
Debian Stable 32 bit	5m 40s
Debian Stable without libsystemd	4m 16s
Debian Testing	5m 26s
Debian Testing with libsoup3	5m 13s
Debian stable + static-prepareroot	5m 6s
Ubuntu Latest Release	5m 13s
Privileged testing	47s
	58m 18s

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