Enable Discord service to deal with managed roles

.gitlab-ci.yml

@@ -1,8 +1,11 @@
 stages:
-- "test"
+- test
 - deploy
 
 before_script:
+- apt-get update && apt-get install redis-server -y
+- redis-server --daemonize yes
+- redis-cli ping
 - python -V
 - pip install wheel tox