Merge branch 'fix-actioncable-spec-failure' into 'master'

Fix order-dependent ActionCable spec failure

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/128034



Merged-by: Heinrich Lee Yu <heinrich@gitlab.com>
Approved-by: Heinrich Lee Yu <heinrich@gitlab.com>
Co-authored-by: Stan Hu <stanhu@gmail.com>

spec/initializers/action_cable_subscription_adapter_identifier_spec.rb

@@ -6,8 +6,13 @@
   describe '#identifier' do
     let!(:original_config) { ::ActionCable::Server::Base.config.cable }
 
+    before do
+      ActionCable.server.restart
+    end
+
     after do
       ::ActionCable::Server::Base.config.cable = original_config
+      ActionCable.server.restart
     end
 
     context 'when id key is nil on cable.yml' do