def METHOD_NAME(self):
    # Having this successful and just return text is a bespoke weirdness of
    # the /empty resource (and MultiRepresentationResource in general).
    # Once https://github.com/chrysn/aiocoap/issues/268 is resolved, their
    # workarounds that make this not just ignore the critical proxy options
    # in the first place will go away, and this will need to process
    # aiocoap-client failing regularly.
    stdout = subprocess.check_output(AIOCOAP_CLIENT + [
        'coap://0.0.0.0/empty', '--proxy', 'coap://' + self.servernetloc, '--verbose'],
        stderr=subprocess.STDOUT)
    self.assertEqual(stdout, b"This is no proxy")