Fix JH skipped EE feature test about billings

ee/spec/features/billings/billing_plans_spec.rb

@@ -4,6 +4,7 @@
 RSpec.describe 'Billing plan pages', :feature, :saas, :js do
   include SubscriptionPortalHelpers
+  include BillingPlansHelpers
   let(:user) { create(:user, first_name: 'James', last_name: 'Bond', organization: 'ACME') }
   let(:namespace) { user.namespace }
@@ -67,7 +68,7 @@ def external_upgrade_url(namespace, plan)
     end
     it 'does not render in-app hand raise lead' do
-      expect(page).to have_selector(".js-hand-raise-lead-button[data-namespace-id='#{namespace.id}'][data-user-name='#{user.username}']", visible: false)
+      should_have_hand_raise_lead_button
     end
   end
@@ -416,11 +417,7 @@ def external_upgrade_url(namespace, plan)
           include_context 'hand raise lead form setup'
           it 'displays the in-app hand raise lead' do
-            page.within('[data-testid="plan-card-premium"]') do
-              click_button 'Contact sales'
-            end
-
-            fill_hand_raise_lead_form_and_submit
+            click_premium_contact_sales_button_and_submit_form
           end
         end

ee/spec/support/helpers/billing_plans_helpers.rb

+# frozen_string_literal: true
+
+#  We write these in helper methods so that JH can override them
+#  Related issue: https://gitlab.com/gitlab-org/gitlab/-/issues/361718
+module BillingPlansHelpers
+  def should_have_hand_raise_lead_button
+    expect(page).to have_selector(
+      ".js-hand-raise-lead-button[data-namespace-id='#{namespace.id}'][data-user-name='#{user.username}']",
+      visible: false)
+  end
+
+  def click_premium_contact_sales_button_and_submit_form
+    page.within('[data-testid="plan-card-premium"]') do
+      click_button 'Contact sales'
+    end
+
+    fill_hand_raise_lead_form_and_submit
+  end
+end
+
+BillingPlansHelpers.prepend_mod