checking the back functionality for returning from support page

app/views/schemes/check_answers.html.erb

@@ -1,12 +1,5 @@
 <% content_for :title, "Check your answers before creating this scheme" %>
 
-<% content_for :before_content do %>
-  <%= govuk_back_link(
-    text: "Back",
-    href: "/schemes/#{@scheme.id}/support",
-  ) %>
-<% end %>
-
 <%= render partial: "organisations/headings", locals: { main: "Check your changes before updating this scheme", sub: @scheme.service_name } %>
 
 <%= govuk_tabs(title: "Check your answers before creating this scheme") do |component| %>

app/views/schemes/support.html.erb

@@ -3,7 +3,7 @@
 <% content_for :before_content do %>
   <%= govuk_back_link(
     text: "Back",
-    href: "/schemes/#{@scheme.id}/secondary-client-group",
+    href: request.query_parameters["check_answers"] ? "/schemes/#{@scheme.id}/check-answers" : "/schemes/#{@scheme.id}/secondary-client-group",
   ) %>
 <% end %>
 

spec/features/schemes_spec.rb

@@ -500,10 +500,14 @@ RSpec.describe "Schemes scheme Features" do
                           expect(page).to have_content "Check your changes before updating this scheme"
                         end
                       end
+                    end
 
+                    context "changing support questions" do
+                      before do
+                        click_link("Change", href: "/schemes/#{scheme.id}/support?check_answers=true", match: :first)
                       end
+
                       it "allows changing support questions" do
-                      click_link("Change", href: "/schemes/#{scheme.id}/support?check_answers=true", match: :first)
                         expect(page).to have_current_path("/schemes/#{scheme.id}/support?check_answers=true")
 
                         choose "Resettlement support"
@@ -514,6 +518,18 @@ RSpec.describe "Schemes scheme Features" do
                         expect(page).to have_content "Resettlement support"
                         expect(page).to have_content "Medium stay"
                       end
+
+                      context "when I press the back button" do
+                        before do
+                          click_link "Back"
+                        end
+
+                        it "lets me select the support answers" do
+                          expect(page).to have_current_path("/schemes/#{scheme.id}/check-answers")
+                          expect(page).to have_content "Check your changes before updating this scheme"
+                        end
+                      end
+                    end
                   end
                 end
               end