diff -r 0d3831bbc5f0 Lib/test/test_asyncio/test_events.py
--- a/Lib/test/test_asyncio/test_events.py	Sun Feb 02 22:43:39 2014 +0100
+++ b/Lib/test/test_asyncio/test_events.py	Sun Feb 02 23:18:30 2014 +0100
@@ -1627,6 +1627,18 @@ else:
         def create_event_loop(self):
             return asyncio.SelectorEventLoop(selectors.SelectSelector())
 
+        # select() doesn't support character devices (PTY) on Mac OS X older
+        # than 10.6 (Snow Leopard)
+        @support.requires_mac_ver(10, 6)
+        def test_read_pty_output(self):
+            super().test_read_pty_output()
+
+        # select() doesn't support character devices (PTY) on Mac OS X older
+        # than 10.6 (Snow Leopard)
+        @support.requires_mac_ver(10, 6)
+        def test_write_pty(self):
+            super().test_write_pty()
+
 
 class HandleTests(unittest.TestCase):