_________________________________ test_signals _________________________________

    async def test_signals():
        async def test_one_signal(send_it, signum):
            with move_on_after(1.0) as scope:
                async with subprocess.Process(SLEEP(3600)) as proc:
                    send_it(proc)
            assert not scope.cancelled_caught
            if posix:
                assert proc.returncode == -signum
            else:
                assert proc.returncode != 0
    
        await test_one_signal(subprocess.Process.kill, SIGKILL)
>       await test_one_signal(subprocess.Process.terminate, SIGTERM)
../.venv/lib/python3.5/site-packages/trio/tests/test_subprocess.py:240: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
send_it = <function Process.terminate at 0x102bc6d90>
signum = <Signals.SIGTERM: 15>

    async def test_one_signal(send_it, signum):
        with move_on_after(1.0) as scope:
            async with subprocess.Process(SLEEP(3600)) as proc:
                send_it(proc)
        assert not scope.cancelled_caught
        if posix:
>           assert proc.returncode == -signum
E           assert -9 == -<Signals.SIGTERM: 15>
E            +  where -9 = <trio._subprocess.Process object at 0x105d6c908>.returncode

../.venv/lib/python3.5/site-packages/trio/tests/test_subprocess.py:235: AssertionError