Fixed failing tests

Author: YulNaumenko

x-pack/test/alerting_api_integration/security_and_spaces/tests/alerting/list_alert_types.ts

@@ -41,6 +41,7 @@ export default function listAlertTypes({ getService }: FtrProviderContext) {
               );
               expect(fixtureAlertType).to.eql({
                 actionGroups: [{ id: 'default', name: 'Default' }],
+                defaultActionGroupId: 'default',
                 id: 'test.noop',
                 name: 'Test: Noop',
               });

x-pack/test/alerting_api_integration/spaces_only/tests/alerting/list_alert_types.ts

@@ -21,6 +21,7 @@ export default function listAlertTypes({ getService }: FtrProviderContext) {
       const fixtureAlertType = response.body.find((alertType: any) => alertType.id === 'test.noop');
       expect(fixtureAlertType).to.eql({
         actionGroups: [{ id: 'default', name: 'Default' }],
+        defaultActionGroupId: 'default',
         id: 'test.noop',
         name: 'Test: Noop',
       });