./python -m test.regrtest -uall -v test_xmlrpc_net
Could not find '/home/wolf/py3k/Lib/test' in sys.path to remove it
test_xmlrpc_net
test_current_time (test.test_xmlrpc_net.CurrentTimeTest) ... ERROR
 
======================================================================
ERROR: test_current_time (test.test_xmlrpc_net.CurrentTimeTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/wolf/py3k/Lib/test/test_xmlrpc_net.py", line 18, in
test_current_time
    t0 = server.currentTime.getCurrentTime()
  File "/home/wolf/py3k/Lib/xmlrpc/client.py", line 1091, in __call__
    return self.__send(self.__name, args)
  File "/home/wolf/py3k/Lib/xmlrpc/client.py", line 1333, in __request
    verbose=self.__verbose
  File "/home/wolf/py3k/Lib/xmlrpc/client.py", line 1127, in request
    dict(resp.getheaders())
xmlrpc.client.ProtocolError: <ProtocolError for time.xmlrpc.com/RPC2:
302 Found>
 
----------------------------------------------------------------------
Ran 1 test in 0.148s
 
FAILED (errors=1)
test test_xmlrpc_net failed -- Traceback (most recent call last):
  File "/home/wolf/py3k/Lib/test/test_xmlrpc_net.py", line 18, in
test_current_time
    t0 = server.currentTime.getCurrentTime()
  File "/home/wolf/py3k/Lib/xmlrpc/client.py", line 1091, in __call__
    return self.__send(self.__name, args)
  File "/home/wolf/py3k/Lib/xmlrpc/client.py", line 1333, in __request
    verbose=self.__verbose
  File "/home/wolf/py3k/Lib/xmlrpc/client.py", line 1127, in request
    dict(resp.getheaders())
xmlrpc.client.ProtocolError: <ProtocolError for time.xmlrpc.com/RPC2:
302 Found>
 
1 test failed:
    test_xmlrpc_net


Apparently the error was raised because:
1) time.xmlrpc.com wasn't reachable
2) the ISP (not the browser) returned a "302 Found" and an error page
3) the test expected something else and failed

This is somewhat related to #3583.