py2 backport missing test

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2496 b32b6428-25c9-4566-ad07-03861ab6144f

libs/monitor/xaal/monitor/example.py

@@ -17,7 +17,7 @@ def monitor_example(engine):
     cfg = tools.load_cfg_or_die(PACKAGE_NAME)
     # create a device & register it
     dev            = Device("hmi.basic")
-    dev.address    = tools.get_uuid(cfg['config']['addr'])
+    dev.address    = tools.get_uuid(cfg['config']['addr']) or tools.get_random_uuid()
     dev.vendor_id  = "IHSEV"
     dev.product_id = "Monitor Example"
     dev.version    = 0.1