Convert settings/verifications controller spec to system spec (#33285)

spec/system/settings/verifications_spec.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Settings verification page' do
+  let(:user) { Fabricate :user }
+
+  before { sign_in user }
+
+  describe 'Viewing the verification page' do
+    it 'shows the page and updates attribution' do
+      visit settings_verification_path
+
+      expect(page)
+        .to have_content(verification_summary)
+        .and have_private_cache_control
+
+      fill_in attribution_field, with: 'host.example'
+
+      expect { click_on submit_button }
+        .to(change { user.account.reload.attribution_domains_as_text })
+      expect(page)
+        .to have_content(success_message)
+    end
+  end
+
+  def verification_summary
+    I18n.t('verification.website_verification')
+  end
+
+  def attribution_field
+    I18n.t('simple_form.labels.account.attribution_domains_as_text')
+  end
+end