Make the timeout longer to give slow machines a chance to pass the test
before timing out.  This doesn't change the duration of the test under
normal circumstances.  This is targetted at fixing the spurious failures
on the FreeBSD buildbot primarily.
diff --git a/Lib/test/test_smtplib.py b/Lib/test/test_smtplib.py
index e458846..bc1ad89 100644
--- a/Lib/test/test_smtplib.py
+++ b/Lib/test/test_smtplib.py
@@ -19,7 +19,7 @@
 
 def server(evt, buf):
     serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-    serv.settimeout(1)
+    serv.settimeout(15)
     serv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
     serv.bind(("", 0))
     global PORT