old_contents: """Test class for testing resource views."""
  
  from http import HTTPStatus
  from django.http.request import QueryDict
  from resources.utils.get_resource_generator import get_resource_generator
  from resources.utils.resource_valid_configurations import resource_valid_configurations
  from tests.create_query_string import query_string
  from tests.BaseTestWithDB import BaseTestWithDB
  from tests.resources.ResourcesTestDataGenerator import ResourcesTestDataGenerator
  
  
  class ResourceViewBaseTest(BaseTestWithDB):
      """Test class for testing resource views."""
  
      CONTENT_DISPOSITION = 'attachment; filename="{name} ({subtitle}).pdf"'
  
      def __init__(self, *args, **kwargs):
          """Create the BaseTest object by calling the parent's constructor."""
          super().__init__(*args, **kwargs)
          self.test_data = ResourcesTestDataGenerator()
  
      def run_valid_configuration_tests(self, resource, base_url):
          """Test all possible valid resource combinations.
  
          Args:
              resource: Resource object to be tested (Resource).
              base_url: URL to send query to (str).
          """
          empty_generator = get_resource_generator(resource.generator_module)
          combinations = resource_valid_configurations(
              empty_generator.valid_options
          )
          print()
          for combination in combinations:
              print("   - Testing combination: {} ... ".format(combination), end="")
              query = query_string(combination)
              url = base_url + query
              response = self.client.get(url)
              self.assertEqual(HTTPStatus.OK, response.status_code)
              combination_generator = get_resource_generator(resource.generator_module, QueryDict(query))
              self.assertEqual(
                  response.get("Content-Disposition"),
                  self.CONTENT_DISPOSITION.format(
                      name=resource.name,
                      subtitle=combination_generator.subtitle
                  )
              )
              print("ok")
  
new_contents: """Test class for testing resource views."""
  
  from http import HTTPStatus
  from django.http.request import QueryDict
  from resources.utils.get_resource_generator import get_resource_generator
  from resources.utils.resource_valid_configurations import resource_valid_configurations
  from tests.create_query_string import query_string
  from tests.BaseTestWithDB import BaseTestWithDB
  from tests.resources.ResourcesTestDataGenerator import ResourcesTestDataGenerator
  
  
  class ResourceViewBaseTest(BaseTestWithDB):
      """Test class for testing resource views."""
  
      CONTENT_DISPOSITION = 'attachment; filename="{name} ({subtitle}).pdf"'
  
      def __init__(self, *args, **kwargs):
          """Create the BaseTest object by calling the parent's constructor."""
          super().__init__(*args, **kwargs)
          self.test_data = ResourcesTestDataGenerator()
  
      def run_valid_configuration_tests(self, resource, base_url):
          """Test all possible valid resource combinations.
  
          Args:
              resource: Resource object to be tested (Resource).
              base_url: URL to send query to (str).
          """
          empty_generator = get_resource_generator(resource.generator_module)
          combinations = resource_valid_configurations(
              empty_generator.valid_options
          )
          print()
          for combination in combinations:
              print("   - Testing combination: {} ... ".format(combination), end="")
              query = query_string(combination)
              url = base_url + query
              response = self.client.get(url)
              self.assertEqual(HTTPStatus.OK, response.status_code)
              combination_generator = get_resource_generator(resource.generator_module, QueryDict(query[1:]))
              self.assertEqual(
                  response.get("Content-Disposition"),
                  self.CONTENT_DISPOSITION.format(
                      name=resource.name,
                      subtitle=combination_generator.subtitle
                  )
              )
              print("ok")
  
subject: Remove '?' from query string when creating QueryDict