Tweaks to fix specs

spec/presenters/alert_management/alert_presenter_spec.rb

@@ -4,7 +4,8 @@ require 'spec_helper'
 
 RSpec.describe AlertManagement::AlertPresenter do
   let_it_be(:project) { create(:project) }
-  let_it_be(:generic_payload) do
+
+  let(:generic_payload) do
     {
       'title' => 'Alert title',
       'start_time' => '2020-04-27T10:10:22.265949279Z',
@@ -12,6 +13,7 @@ RSpec.describe AlertManagement::AlertPresenter do
       'runbook' => 'https://runbook.com'
     }
   end
+
   let_it_be(:alert) do
     build(:alert_management_alert, :with_description, :with_host, :with_service, :with_monitoring_tool, project: project, payload: generic_payload)
   end

spec/presenters/alert_management/prometheus_alert_presenter_spec.rb

@@ -16,7 +16,7 @@ RSpec.describe AlertManagement::PrometheusAlertPresenter do
     }
   end
 
-  let(:alert) do
+  let!(:alert) do
     create(:alert_management_alert, :prometheus, project: project, payload: payload)
   end
 

spec/presenters/projects/prometheus/alert_presenter_spec.rb

@@ -299,7 +299,7 @@ RSpec.describe Projects::Prometheus::AlertPresenter do
     it { is_expected.to eq(nil) }
 
     context 'alert management alert present' do
-      let(:am_alert) { create(:alert_management_alert, project: project) }
+      let_it_be(:am_alert) { create(:alert_management_alert, project: project) }
       let(:alert) { create(:alerting_alert, project: project, payload: payload, alert: am_alert) }
 
       it { is_expected.to eq("http://localhost/#{project.full_path}/-/alert_management/#{am_alert.id}/details") }