'Tasks which don\'t return anything should still show up in the dict'

@server()
def test_should_preserve_None_for_non_returning_tasks(self):

    def local_task():
        pass
    def remote_task():
        with hide('everything'):
            run('ls    /simple')
    eq_(execute(local_task), {'<local-only>': None})
    with hide('everything'):
        eq_(execute(remote_task, hosts=[env.host_string]), {env.host_string: None})
