Ok, yet another issue :-) Testing on a machine with OpenSSL 1.0.0 gives the following failures. I think you mixed up skipIf / skipUnless.

======================================================================
ERROR: test_protocol_sslv2 (test.test_ssl.ThreadedTests)
Connecting to an SSLv2 server with various client options
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Traceback (most recent call last):
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 87, in f
    return func(*args, **kwargs)
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 1493, in test_protocol_sslv2
    try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv23, True)
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 1363, in try_protocol_combo
    chatty=False, connectionchatty=False)
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 1301, in server_params_test
    s.connect((HOST, server.port))
  File "/home/antoine/cpython/default/Lib/ssl.py", line 582, in connect
    self._real_connect(addr, False)
  File "/home/antoine/cpython/default/Lib/ssl.py", line 572, in _real_connect
    self.do_handshake()
  File "/home/antoine/cpython/default/Lib/ssl.py", line 552, in do_handshake
    self._sslobj.do_handshake()
ConnectionResetError: [Errno 104] Connection reset by peer

======================================================================
ERROR: test_protocol_tlsv1_1 (test.test_ssl.ThreadedTests)
Connecting to a TLSv1.1 server with various client options.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 87, in f
    return func(*args, **kwargs)
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 1582, in test_protocol_tlsv1_1
    try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_TLSv1_1, True)
AttributeError: 'module' object has no attribute 'PROTOCOL_TLSv1_1'

======================================================================
ERROR: test_protocol_tlsv1_2 (test.test_ssl.ThreadedTests)
Connecting to a TLSv1.2 server with various client options.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 87, in f
    return func(*args, **kwargs)
  File "/home/antoine/cpython/default/Lib/test/test_ssl.py", line 1602, in test_protocol_tlsv1_2
    try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1_2, True,
AttributeError: 'module' object has no attribute 'PROTOCOL_TLSv1_2'