test

Run in a new process group when not using --foreground #5452

Job	Run time
Windows tests	2m 5s
Colima (v0.6.5)	7m 26s
Lints	1m 53s
Integration tests (on Linux) (alpine.yaml)	5m 34s
Upgrade test (v0.15.1)	12m 7s
Integration tests (on Linux) (debian.yaml)	6m 32s
VMNet test	11m 55s
vz (default.yaml)	19m 27s
Integration tests (on Linux) (fedora.yaml)	6m 42s
vz (fedora.yaml)	8m 35s
Integration tests (on Linux) (archlinux.yaml)	8m 11s
Integration tests	11m 5s
Integration tests (on Linux) (opensuse.yaml)	7m 8s
Unit tests (1.22.x)	36s
Integration tests (on Linux) (experimental/net-user-v2.yaml)	7m 25s
Unit tests (1.23.x)	4m 2s
Integration tests (on Linux) (experimental/9p.yaml)	7m 5s
Integration tests (on Linux) (docker.yaml)	7m 27s
Integration tests (on Linux) (../hack/test-templates/alpine-9p-writable.yaml)	5m 17s
Integration tests (on Linux) (../hack/test-templates/test-misc.yaml)	19m 23s
	2h 39m 55s

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