Correclty route if has other client group changed from no to yes

app/controllers/schemes_controller.rb

@@ -150,7 +150,7 @@ class SchemesController < ApplicationController
       @scheme.update!(secondary_client_group: nil) if @scheme.has_other_client_group == "No"
       if scheme_params[:confirmed] == "true" || @scheme.confirmed?
         if check_answers && should_direct_via_secondary_client_group_page?(page)
-          redirect_to scheme_secondary_client_group_path(@scheme, referrer: "check-answers")
+          redirect_to scheme_secondary_client_group_path(@scheme, referrer: "has-other-client-group")
         else
           @scheme.locations.update!(confirmed: true)
           flash[:notice] = if scheme_previously_confirmed
@@ -162,7 +162,7 @@ class SchemesController < ApplicationController
         end
       elsif check_answers
         if should_direct_via_secondary_client_group_page?(page)
-          redirect_to scheme_secondary_client_group_path(@scheme, referrer: "check-answers")
+          redirect_to scheme_secondary_client_group_path(@scheme, referrer: "has-other-client-group")
         else
           redirect_to scheme_check_answers_path(@scheme)
         end

app/helpers/schemes_helper.rb

@@ -103,6 +103,7 @@ module SchemesHelper
 
   def scheme_back_button_path(scheme, current_page)
     return scheme_check_answers_path(scheme) if request.params[:referrer] == "check-answers"
+    return scheme_confirm_secondary_client_group_path(scheme, referrer: "check-answers") if request.params[:referrer] == "has-other-client-group"
 
     case current_page
     when "details"

spec/requests/schemes_controller_spec.rb

@@ -2222,6 +2222,13 @@ RSpec.describe SchemesController, type: :request do
         end
       end
 
+      context "and accessed from has other client group" do
+        it "has correct back link" do
+          get "/schemes/#{scheme.id}/secondary-client-group?referrer=has-other-client-group"
+          expect(page).to have_link("Back", href: "/schemes/#{scheme.id}/confirm-secondary-client-group?referrer=check-answers")
+        end
+      end
+
       context "when attempting to access secondary-client-group scheme page for another organisation" do
         before do
           get "/schemes/#{another_scheme.id}/secondary-client-group"