Close leaking listener socket in tests

diff --git a/tornado/test/iostream_test.py b/tornado/test/iostream_test.py
index 9ba5575664acd5b0b9e414916008ec625dd4e524..3567c8024283fe3ea3f6b3d1afd5eebd4b247425 100644 (file)
--- a/tornado/test/iostream_test.py
+++ b/tornado/test/iostream_test.py
@@ -30,6 +30,8 @@ class TestIOStream(AsyncHTTPTestCase, LogTrapTestCase):
         client_stream.connect(('127.0.0.1', port),
                               callback=connect_callback)
         self.wait(condition=lambda: all(streams))
+        self.io_loop.remove_handler(listener.fileno())
+        listener.close()
         return streams
 
     def test_read_zero_bytes(self):