Add 'Voucher:' before voucher code on edit cart page

app/views/spree/orders/_form.html.haml

@@ -34,7 +34,11 @@
         - checkout_adjustments_for(@order, exclude: [:line_item]).reverse_each do |adjustment|
           %tr.order-adjustment
             %td.text-right{:colspan => "3"}
-              = adjustment.label
+              - if adjustment.originator_type == "Voucher"
+                = "#{t(:voucher)}:"
+                = adjustment.label
+              - else
+                = adjustment.label
             %td.text-right.total
               %span= adjustment.display_amount.to_html
             %td

spec/views/spree/orders/edit.html.haml_spec.rb

@@ -31,4 +31,30 @@
       expect(rendered).to have_selector(".unit-price")
     end
   end
+
+  describe "display adjustments" do
+    let(:voucher) { create(:voucher, enterprise: order.distributor) }
+
+    before do
+      voucher.create_adjustment(voucher.code, order)
+      OrderManagement::Order::Updater.new(order).update_voucher
+      render
+    end
+
+    it "includes Voucher text with label" do
+      expect(rendered).to have_content("Voucher:\n#{voucher.code}")
+    end
+
+    # Shipping fee is derived from 'completed_order_with_fees' factory.
+    # It applies when using shipping method such as Home Delivery.
+    it "includes Shipping label" do
+      expect(rendered).to have_content("Shipping")
+    end
+
+    # Transaction fee is derived from 'completed_order_with_fees' factory.
+    # It applies when using payment methods such as Check & Stripe.
+    it "includes Transaction fee label" do
+      expect(rendered).to have_content("Transaction fee")
+    end
+  end
 end