old_contents: import pytest
  from rest_framework.reverse import reverse
  
  authenticated_access_urls = [
      reverse('clipping_area-list'),
      reverse('conversion_job-list'),
      reverse('conversion_parametrization-list'),
  ]
  
  
  @pytest.fixture(params=authenticated_access_urls)
  def access_urls(request):
      return request.param
  
  
  def test_access_for_unauthorized_user_denied(client, access_urls):
      response = client.get(access_urls)
      assert response.status_code == 403
  
  
  @pytest.mark.django_db()
  def test_access_for_authenticated_client_allowed(authenticated_client, access_urls):
      response = authenticated_client.get(access_urls)
      assert response.status_code == 200
  
  
  def test_access_for_admin_user_allowed(admin_client, access_urls):
      response = admin_client.get(access_urls)
      assert response.status_code == 200
  
new_contents: import pytest
  from rest_framework.reverse import reverse
  
  authenticated_access_urls = [
      reverse('clipping_area-list'),
      reverse('conversion_job-list'),
      reverse('conversion_parametrization-list'),
  ]
  
  
  @pytest.fixture(params=authenticated_access_urls)
  def access_url(request):
      return request.param
  
  
  def test_access_for_unauthorized_user_denied(client, access_url):
      response = client.get(access_url)
      assert response.status_code == 403
  
  
  @pytest.mark.django_db()
  def test_access_for_authenticated_client_allowed(authenticated_client, access_url):
      response = authenticated_client.get(access_url)
      assert response.status_code == 200
  
  
  def test_access_for_admin_user_allowed(admin_client, access_url):
      response = admin_client.get(access_url)
      assert response.status_code == 200
  
subject: rename fixture to singular