Use pytest-env plugin to manage test settings instead of settings file

api/config/settings/test.py

-from .common import *  # noqa
-SECRET_KEY = env("DJANGO_SECRET_KEY", default='test')
-
-# Mail settings
-# ------------------------------------------------------------------------------
-EMAIL_HOST = 'localhost'
-EMAIL_PORT = 1025
-EMAIL_BACKEND = env('DJANGO_EMAIL_BACKEND',
-                    default='django.core.mail.backends.console.EmailBackend')
-
-# CACHING
-# ------------------------------------------------------------------------------
-CACHES = {
-    'default': {
-        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
-        'LOCATION': ''
-    }
-}
-
-CELERY_BROKER_URL = 'memory://'
-
-########## CELERY
-# In development, all tasks will be executed locally by blocking until the task returns
-CELERY_TASK_ALWAYS_EAGER = True
-########## END CELERY
-
-# Your local stuff: Below this line define 3rd party library settings
-API_AUTHENTICATION_REQUIRED = False
-CACHEOPS_ENABLED = False

api/requirements/test.txt

@@ -10,4 +10,5 @@ pytest-mock
 pytest-sugar
 pytest-xdist
 pytest-cov
+pytest-env
 requests-mock

api/setup.cfg

@@ -7,6 +7,12 @@ max-line-length = 120
 exclude=.tox,.git,*/migrations/*,*/static/CACHE/*,docs,node_modules
 
 [tool:pytest]
-DJANGO_SETTINGS_MODULE=config.settings.test
 python_files = tests.py test_*.py *_tests.py
 testpaths = tests
+env =
+    SECRET_KEY=test
+    DJANGO_EMAIL_BACKEND=django.core.mail.backends.console.EmailBackend
+    CELERY_BROKER_URL=memory://
+    CELERY_TASK_ALWAYS_EAGER=True
+    CACHEOPS_ENABLED=False
+    FEDERATION_HOSTNAME=test.federation

api/tests/conftest.py

 import factory
-import tempfile
-import shutil
 import pytest
 import requests_mock
+import shutil
+import tempfile
 
 from django.contrib.auth.models import AnonymousUser
 from django.core.cache import cache as django_cache