skip failing test suite (elastic#255381)

Author: kibanamachine

x-pack/platform/plugins/shared/osquery/cypress/e2e/all/add_integration.cy.ts

@@ -39,7 +39,8 @@ import {
 } from '../../tasks/integrations';
 import { ServerlessRoleName } from '../../support/roles';
 
-describe('ALL - Add Integration', { tags: ['@ess', '@serverless'] }, () => {
+// Failing: See https://github.com/elastic/kibana/issues/255381
+describe.skip('ALL - Add Integration', { tags: ['@ess', '@serverless'] }, () => {
   let savedQueryId: string;
 
   before(() => {