[New-bugs-announce] [issue36815] test_socket test_host_resolution_bad_address test failure

[Pam McA'Nulty]

New submission from Pam McA'Nulty <pamela at mcanulty.org>:

- Cloned a new cpython onto my new MacOS system (Mojave 10.14.4)
- built as per https://devguide.python.org/
- test failure: 
```
./python.exe -m test -j3 test_socket
Run tests in parallel using 3 child processes
0:00:24 load avg: 0.88 [1/1/1] test_socket failed
/Users/pamelamcanulty/cpython/Lib/test/test_socket.py:2424: RuntimeWarning: received malformed or improperly-truncated ancillary data
  result = sock.recvmsg(bufsize, *args)
/Users/pamelamcanulty/cpython/Lib/test/test_socket.py:2515: RuntimeWarning: received malformed or improperly-truncated ancillary data
  result = sock.recvmsg_into([buf], *args)
test test_socket failed -- Traceback (most recent call last):
  File "/Users/pamelamcanulty/cpython/Lib/test/test_socket.py", line 936, in test_host_resolution_bad_address
    socket.gethostbyname(addr)
AssertionError: OSError not raised : ::1q

== Tests result: FAILURE ==

1 test failed:
    test_socket

Total duration: 24 sec 153 ms
Tests result: FAILURE
```

----------
components: macOS
messages: 341542
nosy: Pam.McANulty, ned.deily, ronaldoussoren
priority: normal
severity: normal
status: open
title: test_socket test_host_resolution_bad_address test failure
type: behavior
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36815>
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