old_contents: from unittest import TestCase
  from sitemap.sitemap import sitemap
  
  
  class TestSiteMap(TestCase):
      def setUp(self):
          self.url = 'https://konstantinfarrell.github.io'
          self.bigger_site = 'https://raspberrypi.org'
          self.biggest_site = 'https://learnxinyminutes.com'
  
      def test_sitemap(self):
          results = sitemap(self.url, write=False)
          self.assertIsNotNone(results)
  
      def test_bigger_sitemap(self):
          results = sitemap(self.bigger_site, write=False)
          self.assertIsNotNone(results)
  
      def test_biggest_sitemap(self):
          results = sitemap(self.biggest_site, write=False)
          self.assertIsNotNone(results)
  
new_contents: from unittest import TestCase
  from sitemap import sitemap
  
  
  class TestSiteMap(TestCase):
      def setUp(self):
          self.url = 'https://konstantinfarrell.github.io'
          self.bigger_site = 'https://raspberrypi.org'
          self.biggest_site = 'https://learnxinyminutes.com'
  
      def test_sitemap(self):
          results = sitemap(self.url, write=False)
          self.assertIsNotNone(results)
  
      def test_bigger_sitemap(self):
          results = sitemap(self.bigger_site, write=False)
          self.assertIsNotNone(results)
  
      def test_biggest_sitemap(self):
          results = sitemap(self.biggest_site, write=False)
          self.assertIsNotNone(results)
  
subject: fix tests