Create freeze periods in local `it` block

spec/frontend/fixtures/freeze_period.rb

@@ -8,9 +8,6 @@ RSpec.describe 'Freeze Periods (JavaScript fixtures)' do
 
   let_it_be(:admin) { create(:admin) }
   let_it_be(:project) { create(:project, :repository, path: 'freeze-periods-project') }
-  let_it_be(:freeze_period_1) { create(:ci_freeze_period, project: project, freeze_start: '5 4 * * *', freeze_end: '5 9 * 8 *', cron_timezone: 'America/New_York') }
-  let_it_be(:freeze_period_2) { create(:ci_freeze_period, project: project, freeze_start: '0 12 * * 1-5', freeze_end: '0 1 5 * *', cron_timezone: 'Etc/UTC') }
-  let_it_be(:freeze_period_3) { create(:ci_freeze_period, project: project, freeze_start: '0 12 * * 1-5', freeze_end: '0 16 * * 6', cron_timezone: 'Europe/Berlin') }
 
   before(:all) do
     clean_frontend_fixtures('api/freeze-periods/')
@@ -24,6 +21,10 @@ RSpec.describe 'Freeze Periods (JavaScript fixtures)' 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