test: Check the examples in README.md #1458

Job	Run time
OS (docker.io/ubuntu:devel)	2m 8s
OS (docker.io/ubuntu:rolling)	1m 54s
OS (docker.io/ubuntu:latest)	1m 59s
OS (docker.io/debian:unstable)	1m 56s
OS (registry.fedoraproject.org/fedora:rawhide)	1m 37s
OS (quay.io/centos/centos:stream10-development)	1m 32s
OS (registry.fedoraproject.org/fedora:latest)	2m 37s
	13m 43s

Provide feedback