Fix: scenario pages aren't rendering on Rails 6

app/controllers/guide/scenarios_controller.rb

@@ -39,6 +39,6 @@ def scenario_id
   end
 
   def scenario_format
-    params[:scenario_format]
+    params[:scenario_format].to_sym
   end
 end

spec/controllers/guide/scenarios_controller_spec.rb

@@ -36,6 +36,14 @@
                 expect(assigns(:scenario_view)).
                   to be_a Guide::ScenarioView
               end
+
+              context "rendering turned on" do
+                render_views
+
+                it "responds with 200 ok" do
+                  expect(response).to have_http_status(:ok)
+                end
+              end
             end
           end