test_socket fails on an android emulator running an x86 system image at API level 21.


======================================================================
ERROR: testGetServBy (test.test_socket.GeneralModuleTests)
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Traceback (most recent call last):
  File "/sdcard/org.bitbucket.pyona/lib/python3.6/test/test_socket.py", line 913, in testGetServBy
    port2 = socket.getservbyname(service)
OSError: service/proto not found

======================================================================
ERROR: testGetaddrinfo (test.test_socket.GeneralModuleTests)
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Traceback (most recent call last):
  File "/sdcard/org.bitbucket.pyona/lib/python3.6/test/test_socket.py", line 1240, in testGetaddrinfo
    socket.getaddrinfo(HOST, "http")
  File "/sdcard/org.bitbucket.pyona/lib/python3.6/socket.py", line 732, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno 9] servname not supported for ai_socktype

----------------------------------------------------------------------
Ran 530 tests in 26.702s

FAILED (errors=2, skipped=75)
test test_socket failed
1 test failed:
    test_socket
Total duration: 0:00:27