Update test_main.py

Author: Ow0cast

tests/unit/test_main.py

@@ -44,6 +44,8 @@
     SNIPPETS:
       LIMIT_TO_ROLE_IDS: false
       ACCESS_ROLE_IDS: []
+    IRC:
+      BRIDGE_WEBHOOK_IDS: []
     """
     mock_read_text.return_value = mock_config_content
     import tux.main