new_contents: from lexicon.providers.constellix import Provider
  from integration_tests import IntegrationTests
  from unittest import TestCase
  import pytest
  
  # Constellix does not currently have a sandbox and they enforce domain
  # uniqueness across the service.  You'll need your own production credentials
  # and a unique domain name if you want to run these tests natively.
  class ConstellixProviderTests(TestCase, IntegrationTests):
  
      Provider = Provider
      provider_name = 'constellix'
      domain = 'example.org'
  
      def _filter_headers(self):
          return ['x-cnsdns-apiKey', 'x-cnsdns-hmac']
  
  
subject: test harness for the constellix provider.