fix: harden websocket e2e helpers

e2e/lib/action_cable_client.rb

@@ -47,12 +47,16 @@ module TurniereE2E
       return if @closed
 
       @closed = true
-      driver.close
-      socket.close
+      @driver&.close
+      @socket&.close
     rescue IOError, SystemCallError
       nil
     end
 
+    def url
+      websocket_url
+    end
+
     private
 
     attr_reader :base_url, :socket, :driver
@@ -93,10 +97,6 @@ module TurniereE2E
       "#{uri.scheme}://#{uri.host}:#{uri.port}"
     end
 
-    def url
-      websocket_url
-    end
-
     def write(data)
       socket.write(data)
     end

spec/e2e/http/tournament_sync_test_spec.rb

@@ -67,7 +67,7 @@ RSpec.describe 'Tournament sync test HTTP E2E' do
     leader_after_playoffs = fetch_tournament(leader.fetch(:id))
     token_list = find_playoff_token_list!(leader_after_playoffs)
     first_item = token_list.fetch(:team_action_items).first
-    second_item = token_list.fetch(:team_action_items).second
+    second_item = token_list.fetch(:team_action_items)[1]
 
     update_by_item_id = client.patch("/team_action_items/#{first_item.fetch(:id)}", body: { completed: true })
     expect(update_by_item_id[:status]).to eq(200)