test the change to the method creating a link to the next subsection

spec/models/form_spec.rb

@@ -183,6 +183,26 @@ RSpec.describe Form, type: :model do
         expect(form.next_incomplete_section_redirect_path(subsection, lettings_log)).to eq("declaration")
       end
     end
+
+    context "when no pages or questions in the next subsection are routed to" do
+      let(:subsection) { form.get_subsection("setup") }
+
+      around do |example|
+        FormHandler.instance.use_real_forms!
+
+        example.run
+
+        FormHandler.instance.use_fake_forms!
+      end
+
+      fit "finds the path to the section after" do
+        lettings_log.startdate = Time.zone.local(2022, 9, 1)
+        lettings_log.renewal = 1
+        lettings_log.needstype = 2
+        lettings_log.postcode_known = 0
+        expect(form.next_incomplete_section_redirect_path(subsection, lettings_log)).to eq("joint")
+      end
+    end
   end
 
   describe "invalidated_page_questions" do