Issue #4397. Fix occasional test_socket failure on OS X.
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 1287dd1..eaf9bcb 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -584,6 +584,10 @@
# Testing shutdown()
msg = self.cli_conn.recv(1024)
self.assertEqual(msg, MSG)
+ # wait for _testShutdown to finish: on OS X, when the server
+ # closes the connection the client also becomes disconnected,
+ # and the client's shutdown call will fail. (Issue #4937.)
+ self.done.wait()
def _testShutdown(self):
self.serv_conn.send(MSG)