more consistently rename plc_spec['hostname'] into plc_spec['host_box']
drwxr-xr-x - federation
drwxr-xr-x - node_ssh
drwxr-xr-x - qaapi
drwxr-xr-x - regrtests
drwxr-xr-x - system
-rw-r--r-- 106 tests.spec