new_contents: import unittest
  import sys
  import os
  
  try:
      from instagram_private_api_extensions import pagination
  except ImportError:
      sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
      from instagram_private_api_extensions import pagination
  
  
  class TestPagination(unittest.TestCase):
  
      def test_page(self):
          testset = ['a', 'b', 'c', 'd', 'e', 'f', 'h', 'i', 'j', 'k', 'l', 'm', 'n']
  
          def paging_stub(start=0):
              page_size = 3
              result = {
                  'items': testset[start:start + page_size]
              }
              if len(testset) > start + page_size:
                  result['next_index'] = start + page_size
              return result
  
          resultset = []
          for results in pagination.page(
                  paging_stub, args={},
                  cursor_key='start',
                  get_cursor=lambda r: r.get('next_index'),
                  wait=0):
              if results.get('items'):
                  resultset.extend(results['items'])
  
          self.assertEqual(testset, resultset)
  
subject: Add test for pagination