def METHOD_NAME(self):
    self._http = yield fakehttpclientservice.HTTPClientService.getService(
            self.master, self, 'serveraddr', headers={'X-Vault-Token': "someToken"})
    yield self.srvcVault.reconfigService(vaultServer="serveraddr",
                                         vaultToken="someToken")
    self.assertEqual(self.srvcVault.vaultServer, "serveraddr")
    self.assertEqual(self.srvcVault.vaultToken, "someToken")