TIMEOUT value change in URLTimeout Test. test.support.transient_internet has a

socket timeout of 30 when it checks for resource.  Explicit overrding (like
setting the 10) wont exhibit consistent behavior when tests are outside context
manager. So, settting it 30.

Lib/test/test_urllibnet.py

@@ -13,7 +13,7 @@ import time
 
 class URLTimeoutTest(unittest.TestCase):
 
-    TIMEOUT = 10.0
+    TIMEOUT = 30.0
 
     def setUp(self):
         socket.setdefaulttimeout(self.TIMEOUT)