Fix test (#249)

* SessionAuthenticationMiddlware should be removed now.

* Force installation of Django-mailman3 from Git for rolling builds.

tests/test.sh

@@ -27,7 +27,7 @@ docker logs mailman-core
 
 
 # Check to see if the core is working as expected.
-docker exec -it mailman-core curl -u restadmin:restpass http://172.19.199.2:8001/3.1/system
+docker exec -it mailman-core curl -u restadmin:restpass http://172.19.199.2:8001/3.1/system | grep "GNU Mailman"
 
 # Check to see if postorius is working.
 docker exec -it mailman-web curl -L http://172.19.199.3:8000/postorius/lists | grep "Mailing List"

web/Dockerfile.dev

@@ -23,13 +23,13 @@ RUN set -ex \
 	&& pip install -U git+https://gitlab.com/mailman/mailmanclient@${CLIENT_REF} \
 		                git+https://gitlab.com/mailman/postorius@${POSTORIUS_REF} \
 		                git+https://gitlab.com/mailman/hyperkitty@${HYPERKITTY_REF} \
-		                git+https://gitlab.com/mailman/django-mailman3@${DJ_MM3_REF} \
 		                whoosh \
 		                uwsgi \
 		                psycopg2 \
 		                dj-database-url \
 		                mysqlclient \
 	&& pip install -U django>=1.11\
+	&& pip install -U git+https://gitlab.com/mailman/django-mailman3@${DJ_MM3_REF} \
 	&& apk del .build-deps \
 	&& addgroup -S mailman \
 	&& adduser -S -G mailman mailman \

web/mailman-web/settings.py

@@ -102,7 +102,6 @@ _MIDDLEWARE = (
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.middleware.locale.LocaleMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
     'django.middleware.security.SecurityMiddleware',