[8.x] [Security Solution][Detection Engine] removes flaky comment from FTR test (#211209) (#211436)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Security Solution][Detection Engine] removes flaky comment from FTR
test (#211209)](#211209)

<!--- Backport version: 9.6.5 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT [{"author":{"name":"Vitalii
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Solution][Detection Engine] removes flaky comment from FTR test
(#211209)\n\n## Summary\r\n- addresses
https://github.com/elastic/kibana/issues/179693\r\n- no failures for a
very long time\r\n- likely cause of flakiness was fixed
earlier\r\nhttps://github.com//issues/179704#issuecomment-2659128455\r\n\r\nNot
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Solution][Detection Engine] removes flaky comment from FTR test
(#211209)\n\n## Summary\r\n- addresses
https://github.com/elastic/kibana/issues/179693\r\n- no failures for a
very long time\r\n- likely cause of flakiness was fixed
earlier\r\nhttps://github.com//issues/179704#issuecomment-2659128455\r\n\r\nNot
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Solution][Detection Engine] removes flaky comment from FTR test
(#211209)\n\n## Summary\r\n- addresses
https://github.com/elastic/kibana/issues/179693\r\n- no failures for a
very long time\r\n- likely cause of flakiness was fixed
earlier\r\nhttps://github.com//issues/179704#issuecomment-2659128455\r\n\r\nNot
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BACKPORT-->

Co-authored-by: Vitalii Dmyterko <[email protected]>

Author: kibanamachine

x-pack/test/security_solution_api_integration/test_suites/detections_response/detection_engine/alerts/basic_license_essentials_tier/alert_status/alert_status.ts

@@ -44,7 +44,6 @@ export default ({ getService }: FtrProviderContext) => {
   const path = dataPathBuilder.getPath('auditbeat/hosts');
 
   describe('@ess @serverless change alert status endpoints', () => {
-    // Flakey: See https://github.com/elastic/kibana/issues/179704
     describe('validation checks', () => {
       describe('update by ids', () => {
         it('should not give errors when querying and the alerts index does not exist yet', async () => {