test: Close a websocket client that causes occasional test failures

These failures occur on the build.yml workflow on the emulated arm64
platform: an ill-timed timer firing during test shutdown can result
in a message being logged and the test failing for dirty logs.

diff --git a/tornado/test/websocket_test.py b/tornado/test/websocket_test.py
index f90c5f2c0f6079efdd02cb1545b53b740db7ba7c..0a29ae64609e95bd6c6b57d248908ffb699cabc5 100644 (file)
--- a/tornado/test/websocket_test.py
+++ b/tornado/test/websocket_test.py
@@ -807,6 +807,7 @@ class ClientPeriodicPingTest(WebSocketBaseTestCase):
             response = yield ws.read_message()
             self.assertEqual(response, "got ping")
         # TODO: test that the connection gets closed if ping responses stop.
+        ws.close()
 
 
 class ManualPingTest(WebSocketBaseTestCase):