Merge branch '229862-follow-up-replace-deploy-freeze-mock_data-with-frontend-fixture' into 'master'

Create freeze period frontend fixture

See merge request gitlab-org/gitlab!38525

spec/frontend/fixtures/freeze_period.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Freeze Periods (JavaScript fixtures)' do
+  include JavaScriptFixturesHelpers
+  include Ci::PipelineSchedulesHelper
+
+  let_it_be(:admin) { create(:admin) }
+  let_it_be(:project) { create(:project, :repository, path: 'freeze-periods-project') }
+
+  before(:all) do
+    clean_frontend_fixtures('api/freeze-periods/')
+  end
+
+  after(:all) do
+    remove_repository(project)
+  end
+
+  describe API::FreezePeriods, '(JavaScript fixtures)', type: :request do
+    include ApiHelpers
+
+    it 'api/freeze-periods/freeze_periods.json' do
+      create(:ci_freeze_period, project: project, freeze_start: '5 4 * * *', freeze_end: '5 9 * 8 *', cron_timezone: 'America/New_York')
+      create(:ci_freeze_period, project: project, freeze_start: '0 12 * * 1-5', freeze_end: '0 1 5 * *', cron_timezone: 'Etc/UTC')
+      create(:ci_freeze_period, project: project, freeze_start: '0 12 * * 1-5', freeze_end: '0 16 * * 6', cron_timezone: 'Europe/Berlin')
+
+      get api("/projects/#{project.id}/freeze_periods", admin)
+
+      expect(response).to be_successful
+    end
+  end
+
+  describe Ci::PipelineSchedulesHelper, '(JavaScript fixtures)' do
+    let(:response) { timezone_data.to_json }
+
+    it 'api/freeze-periods/timezone_data.json' do
+    end
+  end
+end