Add census terms page by default

spec/system/admin/site_customization/pages_spec.rb

@@ -11,17 +11,17 @@ describe "Admin custom pages", :admin do
     end
 
     scenario "should contain all default custom pages published populated by db:seeds" do
-      slugs = %w[accessibility conditions faq privacy welcome_not_verified
+      slugs = %w[accessibility census_terms conditions faq privacy welcome_not_verified
                  welcome_level_two_verified welcome_level_three_verified]
 
-      expect(SiteCustomization::Page.count).to be 7
+      expect(SiteCustomization::Page.count).to be 8
       slugs.each do |slug|
         expect(SiteCustomization::Page.find_by(slug: slug).status).to eq "published"
       end
 
       visit admin_site_customization_pages_path
 
-      expect(all("[id^='site_customization_page_']").count).to be 7
+      expect(all("[id^='site_customization_page_']").count).to be 8
       slugs.each do |slug|
         expect(page).to have_content slug
       end