test_asyncore: Actually try to received OOB data.
diff --git a/Lib/test/test_asyncore.py b/Lib/test/test_asyncore.py
index c1b8637..52dff0f 100644
--- a/Lib/test/test_asyncore.py
+++ b/Lib/test/test_asyncore.py
@@ -675,6 +675,7 @@
 
         class TestClient(BaseClient):
             def handle_expt(self):
+                self.socket.recv(1024, socket.MSG_OOB)
                 self.flag = True
 
         class TestHandler(BaseTestHandler):