use path_rewrite in commencer controller

spec/controllers/users/commencer_controller_spec.rb

@@ -19,6 +19,18 @@ describe Users::CommencerController, type: :controller do
       end
     end
 
+    context 'when a path rewrite is present' do
+      let(:path) { 'from' }
+      let!(:path_rewrite) { PathRewrite.create(from: 'from', to: published_procedure.path) }
+
+      it 'redirects to the new path' do
+        expect(subject.status).to eq(200)
+        expect(subject).to render_template('show')
+        expect(assigns(:procedure)).to eq published_procedure
+        expect(assigns(:revision)).to eq published_procedure.published_revision
+      end
+    end
+
     context 'when the path is for a draft procedure' do
       let(:path) { draft_procedure.path }