new_contents: import mock
  import requests
  import unittest
  
  
  MockedSession = mock.create_autospec(requests.Session, spec_set=True)
  
  
  class UnitHelper(unittest.TestCase):
      # Sub-classes must assign the class to this during definition
      described_class = None
      # Sub-classes must also assign a dictionary to this during definition
      example_data = {}
  
      def setUp(self):
          self.session = MockedSession()
          self.instance = self.described_class(self.example_data, self.session)
  
subject: Add possibly useful helper