Disabling caching in test environment because it was causing issues with Markdown

config/environments/test.rb

@@ -7,6 +7,8 @@ Gitlab::Application.configure do
   # and recreated between test runs. Don't rely on the data there!
   config.cache_classes = false
 
+  config.cache_store = :null_store
+
   # Configure static asset server for tests with Cache-Control for performance
   config.serve_static_assets = true
   config.static_cache_control = "public, max-age=3600"

config/initializers/session_store.rb

@@ -9,7 +9,10 @@ begin
 rescue
 end
 
-Gitlab::Application.config.session_store(
+if Rails.env.test?
+  Gitlab::Application.config.session_store :cookie_store, key: "_gitlab_session"
+else
+  Gitlab::Application.config.session_store(
     :redis_store, # Using the cookie_store would enable session replay attacks.
     servers: Gitlab::Application.config.cache_store[1].merge(namespace: 'session:gitlab'), # re-use the Redis config from the Rails cache store
     key: '_gitlab_session',
@@ -17,4 +20,5 @@ Gitlab::Application.config.session_store(
     httponly: true,
     expire_after: Settings.gitlab['session_expire_delay'] * 60,
     path: (Gitlab::Application.config.relative_url_root.nil?) ? '/' : Gitlab::Application.config.relative_url_root
-)
+  )
+end