Add spec for GH issue #2655

spec/features/admin/payments_spec.rb

@@ -0,0 +1,38 @@
+require 'spec_helper'
+
+feature '
+    As an admin
+    I want to manage payments
+' do
+  include AuthenticationWorkflow
+
+  let(:order) { create(:completed_order_with_fees) }
+
+  scenario "visiting the payment form" do
+    quick_login_as_admin
+
+    visit spree.new_admin_order_payment_path order
+
+    expect(page).to have_content "New Payment"
+  end
+
+  context "with sensitive payment fee" do
+    let(:payment_method) { order.distributor.payment_methods.first }
+
+    before do
+      # This calculator doesn't handle a `nil` order well.
+      # That has been useful in finding bugs. ;-)
+      payment_method.calculator = Spree::Calculator::FlatPercentItemTotal.new
+      payment_method.save!
+    end
+
+    scenario "visiting the payment form" do
+      pending "fix usage of the PaymentMethodSerializer"
+      quick_login_as_admin
+
+      visit spree.new_admin_order_payment_path order
+
+      expect(page).to have_content "New Payment"
+    end
+  end
+end