flashing test

app/controllers/schemes_controller.rb

@@ -7,6 +7,7 @@ class SchemesController < ApplicationController
   before_action :authenticate_scope!
 
   def index
+    flash[:notice] = ("#{Scheme.find(params[:scheme_id].to_i).service_name} has been created.") if params[:scheme_id]
     redirect_to schemes_organisation_path(current_user.organisation) unless current_user.support?
     all_schemes = Scheme.all
 

app/views/schemes/check_answers.html.erb

@@ -62,4 +62,4 @@
   <% end %>
 <% end %>
 
-<%= govuk_button_link_to "Create scheme", schemes_path, html: { method: :get } %>
+<%= govuk_button_link_to "Create scheme", schemes_path(scheme_id: @scheme.id), html: { method: :get } %>

spec/requests/schemes_controller_spec.rb

@@ -37,6 +37,14 @@ RSpec.describe SchemesController, type: :request do
         get "/schemes"
       end
 
+      context "params scheme_id is present" do
+        it "shows a success banner" do
+          get "/schemes", params: { scheme_id: schemes.first.id }
+          follow_redirect!
+          expect(page).to have_css(".govuk-notification-banner.govuk-notification-banner--success")
+        end
+      end
+
       it "redirects to the organisation schemes path" do
         follow_redirect!
         expect(path).to match("/organisations/#{user.organisation.id}/schemes")