Simplify test settings

tests/conftest.py

@@ -18,7 +18,6 @@ def pytest_configure():
         MIDDLEWARE_CLASSES=(
             'django.middleware.common.CommonMiddleware',
             'django.contrib.sessions.middleware.SessionMiddleware',
-            'django.middleware.csrf.CsrfViewMiddleware',
             'django.contrib.auth.middleware.AuthenticationMiddleware',
             'django.contrib.messages.middleware.MessageMiddleware',
         ),
@@ -27,7 +26,6 @@ def pytest_configure():
             'django.contrib.contenttypes',
             'django.contrib.sessions',
             'django.contrib.sites',
-            'django.contrib.messages',
             'django.contrib.staticfiles',
 
             'rest_framework',
@@ -35,12 +33,7 @@ def pytest_configure():
             'tests',
         ),
         PASSWORD_HASHERS=(
-            'django.contrib.auth.hashers.SHA1PasswordHasher',
-            'django.contrib.auth.hashers.PBKDF2PasswordHasher',
-            'django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher',
-            'django.contrib.auth.hashers.BCryptPasswordHasher',
             'django.contrib.auth.hashers.MD5PasswordHasher',
-            'django.contrib.auth.hashers.CryptPasswordHasher',
         ),
     )