[issue18919] Unify audio modules tests

[koobs]

koobs added the comment:

Tests fail for 2.7 on the koobs-freebsd9 and koobs-freebsd10 buildbots since a9f967c8d002db364021a5fb1c9926a27029e849

Taking a snapshot of the output here for reference:

test_aifc
test test_aifc produced unexpected output:
**********************************************************************
Warning: bad COMM chunk size
Warning: bad COMM chunk size
Warning: MARK chunk contains only 0 markers instead of 1

**********************************************************************

<snip>

363 tests OK.
1 test failed:
    test_aifc

<snip>

Re-running failed tests in verbose mode
Re-running test 'test_aifc' in verbose mode

<snip>

test_read_comm_kludge_compname_even (test.test_aifc.AIFCLowLevelTest) ... Warning: bad COMM chunk size
ok
test_read_comm_kludge_compname_odd (test.test_aifc.AIFCLowLevelTest) ... Warning: bad COMM chunk size
ok
test_read_wrong_marks (test.test_aifc.AIFCLowLevelTest) ... Warning: MARK chunk contains only 0 markers instead of 1
ok

----------------------------------------------------------------------
Ran 80 tests in 0.102s

OK

----------
nosy: +koobs

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18919>
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