add admin update default zones job

app/jobs/admin_update_default_zones_job.rb

@@ -0,0 +1,6 @@
+class AdminUpdateDefaultZonesJob < ApplicationJob
+  def perform(admin)
+    tchap_hs = APITchap::HsAdapter.new(admin.email).to_hs
+    admin.default_zones << Zone.default_for(tchap_hs)
+  end
+end

spec/jobs/admin_update_default_zones_job_spec.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe AdminUpdateDefaultZonesJob, type: :job do
+  let(:email) { 'louise@educ.pop.gouv.fr' }
+  let(:admin) { create(:administrateur, email: email) }
+  let(:hs_adapter) { double('hs_adapter', to_hs: 'agent.educpop.tchap.gouv.fr') }
+
+  subject(:perform_job) { described_class.perform_now(admin) }
+
+  before do
+    allow(APITchap::HsAdapter).to receive(:new).with(email).and_return(hs_adapter)
+    create(:zone, acronym: 'EP', tchap_hs: ['agent.educpop.tchap.gouv.fr'])
+  end
+
+  it 'update default zones' do
+    perform_job
+    expect(admin.default_zones.map(&:acronym)).to eq ['EP']
+  end
+end