rlib/test/test_rwin32.py::test_wenviron

@py.test.mark.dont_track_allocations('putenv intentionally keeps strings alive')
    def test_wenviron():
        name = u'PYPY_TEST_日本'.encode('utf-8')
        value = u'foobar日本'.encode('utf-8')
        rwin32._wputenv(name, value)
>       assert rwin32._wgetenv(name) == value
E       assert None == 'foobar\xe6\x97\xa5\xe6\x9c\xac'
E        +  where None = <function getenv_llimpl at 0x000002182339dda8>('PYPY_TEST_\xe6\x97\xa5\xe6\x9c\xac')
E        +    where <function getenv_llimpl at 0x000002182339dda8> = <function getenv_llimpl at 0x000002182339dda8>
E        +      where <function getenv_llimpl at 0x000002182339dda8> = rwin32._wgetenv

rlib\test\test_rwin32.py:86: AssertionError

builder: rpython-win-x86-64 build #399

test: rlib/test/test_rwin32/py/test_wenviron