new_contents: # Test for one implementation of the interface
  from lexicon.providers.easyname import Provider
  from integration_tests import IntegrationTests
  from unittest import TestCase
  from bs4 import BeautifulSoup
  
  class EasynameProviderTests(TestCase, IntegrationTests):
  
      Provider = Provider
      provider_name = 'easyname'
      domain = 'lexicontest.astzweig.de'
      def _filter_post_data_parameters(self):
          return ['username', 'password']
  
  
      def _filter_headers(self):
          return ['Cookie']
  
  
      def _test_engine_overrides(self):
          overrides = super(EasynameProviderTests, self)._test_engine_overrides()
          overrides["fallbackFn"] = (
              lambda x: "placeholder_" + x if x != "priority" else ""
          )
          return overrides
  
subject: Add test case