noise: Disable flaky test

noise/test_chat.py

@@ -35,6 +35,7 @@ def test_sendmsg_success(node_factory, executor):
 
 @flaky  # since we cannot force a payment to take a specific route
 @unittest.skipIf(not DEVELOPER, "Fails often")
+@unittest.skipIf(True, "Just not stable")
 def test_sendmsg_retry(node_factory, executor):
     """Fail a sendmsg using a cheap route, and check that it retries.