Add CI tests using the standard test interface
    
    The following steps are used to execute the tests using the standard test interface:
    
    Docker
    
        sudo ANSIBLE_INVENTORY=$(test -e inventory && echo inventory || echo /usr/share/ansible/inventory) TEST_SUBJECTS=docker:docker.io/library/fedora:26 TEST_ARTIFACTS=$PWD/artifacts ansible-playbook --tags container tests.yml
    
    Classic
    
        sudo ANSIBLE_INVENTORY=$(test -e inventory && echo inventory || echo /usr/share/ansible/inventory) TEST_SUBJECTS="" TEST_ARTIFACTS=$PWD/artifacts ansible-playbook --tags classic tests.yml
    
    https://src.fedoraproject.org/rpms/checkpolicy/pull-request/1