Test suite of pygobject 3.12.1 fails with Python >=3.4 due to unexpected successes (present with all versions of Python):

...
test_object_full_inout (test_gi.TestGObject) ... unexpected success
...
test_notify_signal_info_with_obj (test_repository.Test) ... unexpected success
...
test_signal_info (test_repository.Test) ... unexpected success
...
----------------------------------------------------------------------
Ran 963 tests in 16.963s

FAILED (skipped=1, expected failures=6, unexpected successes=3)


Unexpected successes cause non-zero exit status with Python >=3.4:

$ cat test.py
import unittest

class A(unittest.TestCase):
        @unittest.expectedFailure
        def test(self):
                pass

unittest.main()
$ python3.3 test.py
u
----------------------------------------------------------------------
Ran 1 test in 0.001s

OK (unexpected successes=1)
$ echo $?
0
$ python3.4 test.py
u
----------------------------------------------------------------------
Ran 1 test in 0.000s

FAILED (unexpected successes=1)
$ echo $?
1
$