adjusted the testing env

Author: amirreza8002

tests/runtests.py

@@ -109,6 +109,7 @@ def setup_collect_tests(start_at, start_after, test_labels=None):
     }
 
     settings.INSTALLED_APPS = ALWAYS_INSTALLED_APPS
+    settings.ROOT_URLCONF = "urls"
     settings.LANGUAGE_CODE = "en"
     settings.SITE_ID = 1
     settings.MIDDLEWARE = ALWAYS_MIDDLEWARE

tests/urls.py

@@ -0,0 +1,6 @@
+"""This URLconf exists because Django expects ROOT_URLCONF to exist. URLs
+should be added within the test folders, and use TestCase.urls to set them.
+This helps the tests remain isolated.
+"""
+
+urlpatterns = []