AO3-6911: return 504

Author: boyer-victor

app/controllers/errors_controller.rb

@@ -11,6 +11,6 @@ def auth_error
 
   def timeout_error
     @page_subtitle = t(".subtitle")
-    render "timeout_error", status: 200, formats: :html
+    render "timeout_error", status: 504, formats: :html
   end
 end

spec/controllers/errors_controller_spec.rb

@@ -40,7 +40,7 @@
   describe "GET #timeout_error" do
     it "returns an HTML timeout error page" do
       get :timeout_error
-      expect(response.status).to eq(200)
+      expect(response.status).to eq(504)
       expect(response.header["Content-Type"]).to eq("text/html; charset=utf-8")
     end
   end