Fix specs: feature specs requiring payment and shipping methods, race condition, double flash message issue

spec/features/admin/orders_spec.rb

@@ -95,7 +95,7 @@ feature %q{
     # click the 'capture' link for the order
     page.find("[data-action=capture][href*=#{@order.number}]").click
 
-    flash_message.should == "Payment Updated"
+    page.should have_content "Payment Updated"
 
     # check the order was captured
     @order.reload

spec/features/consumer/shopping/shopping_spec.rb

@@ -171,11 +171,10 @@ feature "As a consumer I want to shop with a distributor", js: true do
           fill_in "variants[#{variant.id}]", with: 6
           fill_in "variant_attributes[#{variant.id}][max_quantity]", with: 7
           page.should have_in_cart product.name
+
+          wait_until { !cart_dirty }
+
           li = Spree::Order.order(:created_at).last.line_items.order(:created_at).last
-          while li == nil
-            sleep 0.1
-            li = Spree::Order.order(:created_at).last.line_items.order(:created_at).last
-          end
           li.max_quantity.should == 7
           li.quantity.should == 6
         end

spec/requests/shop_spec.rb

@@ -4,7 +4,7 @@ describe "Shop API" do
   include ShopWorkflow
 
   describe "filtering products" do
-    let(:distributor) { create(:distributor_enterprise) }
+    let(:distributor) { create(:distributor_enterprise, with_payment_and_shipping: true) }
     let(:supplier) { create(:supplier_enterprise) }
     let(:oc1) { create(:simple_order_cycle, distributors: [distributor], coordinator: create(:distributor_enterprise), orders_close_at: 2.days.from_now) }
     let(:p1) { create(:simple_product, on_demand: false) }