8f4ca39 azure tests: make sure /etc/docker folder exists

Authored and Committed by abbra 4 years ago
    azure tests: make sure /etc/docker folder exists
    
    Azure tests fail because we couldn't configure docker for IPv6 anymore.
    This happened because we weren't able to copy our configuration file to
    /etc/docker -- looks like the docker directory does not exist.
    
    Reviewed-By: Christian Heimes <cheimes@redhat.com>