skip flaky suite (#229398)

Author: mistic

x-pack/test/security_solution_cypress/cypress/e2e/investigations/alerts/expandable_flyout/alert_details_preview_panel_rule_preview.cy.ts

@@ -33,7 +33,8 @@ import { getNewRule } from '../../../../objects/rule';
 import { ALERTS_URL } from '../../../../urls/navigation';
 import { waitForAlertsToPopulate } from '../../../../tasks/create_new_rule';
 
-describe(
+// FLAKY: https://github.com/elastic/kibana/issues/229398
+describe.skip(
   'Alert details expandable flyout rule preview panel',
   { tags: ['@ess', '@serverless'] },
   () => {