checking the back functionality for returning to check answers from details page

spec/features/schemes_spec.rb

@@ -365,12 +365,16 @@ RSpec.describe "Schemes scheme Features" do
                   end
 
                   context "when changing answers" do
+                    context "changing details" do
+                      before do
+                        click_link("Change", href: "/schemes/#{scheme.id}/details?check_answers=true", match: :first)
+                      end
+
                       it "displays change links" do
                         assert_selector "a", text: "Change", count: 12
                       end
 
                       it "allows changing details questions" do
-                      click_link("Change", href: "/schemes/#{scheme.id}/details?check_answers=true", match: :first)
                         expect(page).to have_current_path("/schemes/#{scheme.id}/details?check_answers=true")
 
                         fill_in "Scheme name", with: "Example"
@@ -383,6 +387,18 @@ RSpec.describe "Schemes scheme Features" do
                         expect(page).to have_content "Yes – registered care home providing nursing care"
                       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
+
                     it "allows changing primary-client-group question" do
                       click_link("Change", href: "/schemes/#{scheme.id}/primary-client-group?check_answers=true")
                       expect(page).to have_current_path("/schemes/#{scheme.id}/primary-client-group?check_answers=true")