old_contents: import json
  import unittest
  import requests
  
  class DomainsTests(unittest.TestCase):
      def test_json_is_valid(self):
          with open("../world_universities_and_domains.json") as json_file:
              valid_json = json.load(json_file)
          for university in valid_json:
              university["name"]
              university["domains"]
              university["web_pages"]
              university["alpha_two_code"]
              university["state-province"]
              university["country"]
  
      def check_is_alive():
          """ check url then if url isn't alive, add to file """
          with open('../world_universities_and_domains.json') as json_raw:
              universities = json.load(json_raw)
          for university in universities[:]:
              try:
                  for web_page in university["web_pages"]:
                      print(web_page)
                      requests.get(web_page, allow_redirects=False, timeout=10.0)
              except requests.exceptions.ConnectionError as exc:
                  print('- Website doesn\'t exists: ', exc)
  
  
  if __name__ == '__main__':
      unittest.main(verbosity=2)
  
new_contents: import json
  import unittest
  import requests
  
  class DomainsTests(unittest.TestCase):
      def test_json_is_valid(self):
          with open("../world_universities_and_domains.json") as json_file:
              valid_json = json.load(json_file)
          for university in valid_json:
              self.assertIn("name", university)
              self.assertIn("domains", university)
              self.assertIn("web_pages", university)
              self.assertIn("alpha_two_code", university)
              self.assertIn("state-province", university)
              self.assertIn("country", university)
  
      def check_is_alive():
          """ check url then if url isn't alive, add to file """
          with open('../world_universities_and_domains.json') as json_raw:
              universities = json.load(json_raw)
          for university in universities[:]:
              try:
                  for web_page in university["web_pages"]:
                      print(web_page)
                      requests.get(web_page, allow_redirects=False, timeout=10.0)
              except requests.exceptions.ConnectionError as exc:
                  print('- Website doesn\'t exists: ', exc)
  
  
  if __name__ == '__main__':
      unittest.main(verbosity=2)
  
subject: Refactor tests