Adds test to check permissions when creating a new product

spec/system/admin/products_v3/products_spec.rb

@@ -1446,6 +1446,34 @@ RSpec.describe 'As an enterprise user, I can manage my products', feature: :admi
 
       expect(page).to have_selector row_containing_name(product_supplied_inactive.name)
     end
+
+    it "allows me to create a product" do
+      taxon = create(:taxon, name: 'Fruit')
+      shipping_category = create(:shipping_category)
+
+      visit spree.admin_products_path
+
+      click_link "New Product"
+      expect(page).to have_content "New Product"
+      expect(page).to have_select 'product_supplier_id',
+                                  with_options: [supplier_managed1.name, supplier_managed2.name,
+                                                 supplier_permitted.name]
+
+      within 'fieldset#new_product' do
+        fill_in 'product_name', with: 'Big Bag Of Apples'
+        select supplier_permitted.name, from: 'product_supplier_id'
+        select 'Weight (g)', from: 'product_variant_unit_with_scale'
+        fill_in 'product_unit_value', with: '100'
+        fill_in 'product_price', with: '10.00'
+        select taxon.name, from: 'product_primary_taxon_id'
+        select shipping_category.name, from: 'product_shipping_category_id'
+      end
+      click_button 'Create'
+
+      expect(URI.parse(current_url).path).to eq spree.admin_products_path
+      expect(flash_message).to eq 'Product "Big Bag Of Apples" has been successfully created!'
+      expect(page).to have_selector row_containing_name('Big Bag Of Apples')
+    end
   end
 
   def create_products(amount)