tests: use centos:stream8

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

Author: giuseppe

tests/fedora-installs.sh

@@ -48,14 +48,14 @@ mkdir upper workdir lower
 fuse-overlayfs -o sync=0,lowerdir=lower,upperdir=upper,workdir=workdir,suid,dev merged
 
 # https://github.com/containers/fuse-overlayfs/issues/86
-docker run --rm -v $(pwd)/merged:/merged centos:8 yum --installroot /merged -y --releasever 8 install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
+docker run --rm -v $(pwd)/merged:/merged quay.io/centos/centos:stream8 yum --installroot /merged -y --releasever 8 install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
 
 umount merged
 
 # fast_ino_check
 fuse-overlayfs -o fast_ino_check=1,sync=0,lowerdir=lower,upperdir=upper,workdir=workdir,suid,dev merged
 
-docker run --rm -v $(pwd)/merged:/merged centos:8 yum --installroot /merged -y --releasever 8 install nano
+docker run --rm -v $(pwd)/merged:/merged quay.io/centos/centos:stream8 yum --installroot /merged -y --releasever 8 install nano
 
 mkdir merged/a-directory