'If processes do not exist, only wallclock time is returned.'

@on_linux
def test_no_such_process(self):

    d = get_node_cpu_times(Clock(), _LocalRunner(), Node(uuid=uuid4(), public_address=IPAddress('10.0.0.1')), _pid_1_name, ['n0n-exist'])
    d.addCallback(self.assertEqual, {WALLCLOCK_LABEL: 0.0})
    return d
