Refactor prices

#475

spec/features/admin/billing/prices/edit_spec.rb

@@ -0,0 +1,25 @@
+require 'rails_helper'
+
+RSpec.feature 'Editing price in admin area', settings: false do
+  given!(:price) { create(:price) }
+
+  background do
+    sign_in_to_admin_area
+  end
+
+  scenario 'updates price' do
+    visit admin_prices_url
+    open_form
+    submit_form
+
+    expect(page).to have_text(t('admin.billing.prices.update.updated'))
+  end
+
+  def open_form
+    click_link_or_button t('admin.billing.prices.price.edit_btn')
+  end
+
+  def submit_form
+    click_link_or_button t('admin.billing.prices.form.update_btn')
+  end
+end