Add details path to schemes controller update method

app/controllers/schemes_controller.rb

@@ -55,6 +55,8 @@ class SchemesController < ApplicationController
                          scheme_support_path(@scheme)
                        when "support"
                          scheme_check_answers_path(@scheme)
+                       when "details"
+                        scheme_primary_client_group_path(@scheme)
                        end
 
         redirect_to schemes_path

spec/features/schemes_spec.rb

@@ -277,6 +277,13 @@ RSpec.describe "Schemes scheme Features" do
               expect(page).to have_content "Is this scheme registered under the Care Standards Act 2000?"
               expect(page).to have_content "Total number of units"
             end
+
+            context "when we amend scheme details" do
+              it "returns to the primary client group question" do
+                click_button "Save and continue"
+                expect(page).to have_content "What client group is this scheme intended for?"
+              end
+            end
           end
 
           context "when I select primary client group details" do