plugin NAT port: disable the plugin for tests:

The UPnP-IGD devices discovery takes time and is not necessary during tests, so this
plugin is now diable during tests.

libervia/backend/plugins/plugin_misc_nat_port.py

@@ -17,6 +17,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import sys
 from libervia.backend.core.i18n import _
 from libervia.backend.core.constants import Const as C
 from libervia.backend.core.log import getLogger
@@ -28,6 +29,11 @@ from twisted.internet import defer
 from twisted.python import failure
 import threading
 
+
+if "pytest" in sys.modules:
+    # We skip this module during tests to avoid waiting for UPnP-IGD.
+    raise exceptions.CancelError("This module is not run during tests.")
+
 try:
     import miniupnpc
 except ImportError:
@@ -46,7 +52,7 @@ PLUGIN_INFO = {
 }
 
 STARTING_PORT = 6000  # starting point to automatically find a port
-DEFAULT_DESC = "SaT port mapping"  # we don't use "à" here as some bugged NAT don't manage charset correctly
+DEFAULT_DESC = "Libervia port mapping"
 
 
 class MappingError(Exception):