tests: remember to clean up in some failure cases of cgroup01
tests: remember to clean up in some failure cases of cgroup01

Signed-off-by: Tycho Andersen <10c18fcb898ee6b17d6575d444b125d10b3f4d6a@canonical.com>
Acked-by: Andrew Vagin <74c05afa918858348d6db8037d82fa8124870113@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@virtuozzo.com>

wtf42/criu,AuthenticEshkinKot/criu,KKoukiou/criu-remote,tych0/criu,efiop/criu,wtf42/criu,efiop/criu,wtf42/criu,AuthenticEshkinKot/criu,eabatalov/criu,tych0/criu,ldu4/criu,KKoukiou/criu-remote,tych0/criu,ldu4/criu,ldu4/criu,efiop/criu,eabatalov/criu,wtf42/criu,KKoukiou/criu-remote,AuthenticEshkinKot/criu,tych0/criu,AuthenticEshkinKot/criu,AuthenticEshkinKot/criu,tych0/criu,wtf42/criu,eabatalov/criu,KKoukiou/criu-remote,efiop/criu,KKoukiou/criu-remote,wtf42/criu,AuthenticEshkinKot/criu,eabatalov/criu,efiop/criu,ldu4/criu,tych0/criu,KKoukiou/criu-remote,efiop/criu,ldu4/criu,ldu4/criu,eabatalov/criu,eabatalov/criu