test: log params to failed_refresh_response_handler

Author: 3np

test/jmclient/test_wallet_rpc.py

@@ -846,6 +846,7 @@ def successful_refresh_response_handler(self, response):
     def failed_refresh_response_handler(
         self, response, *, message=None, error_description=None
     ):
+        jlog.debug(f"failed_refresh_response_handler '{message}' ({error_description})")
         assert response.code == 400
         body = yield readBody(response)
         json_body = json.loads(body.decode("utf-8"))