old_contents: from django.test import TestCase
  
  # Create your tests here.
  
new_contents: """accounts app unittests
  
  """
  from django.test import TestCase
  
  
  class WelcomePageTest(TestCase):
      def test_uses_welcome_template(self):
          response = self.client.get('/')
          self.assertTemplateUsed(response, 'accounts/welcome.html')
  
subject: Add first unit test for welcome page