Update tests/test_connection.py

Co-authored-by: Níckolas Goline <nickolas.goline@gmail.com>

Author: aryarathoree

tests/test_connection.py

@@ -4842,7 +4842,7 @@ def test_networkevents(node_factory, executor):
     # Connect failed because unreachable
     with pytest.raises(
             RpcError,
-            match=r"Connection establishment: (Connection timed out|Bad file descriptor)."):
+            match=r"Connection establishment: (Connection timed out|Bad file descriptor)\."):
         l1.rpc.connect(l2.info['id'], '1.1.1.1', 8081)
 
     nevents = l1.rpc.listnetworkevents(start=6)['networkevents']