[8.12] [Security Solution] unskip endpoint alerts cypress tests (#174493

) (#174641)

# Backport

This will backport the following commits from `main` to `8.12`:
- [[Security Solution] unskip endpoint alerts cypress tests
(#174493)](#174493)

<!--- Backport version: 9.4.3 -->

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

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Solution] unskip endpoint alerts cypress tests (#174493)\n\n##
Summary\r\n\r\nUnskip endpoint alerts cypress test. Various enhancements
to our tests\r\nwere previously made, this is just retroactively
unskipping after\r\nverifying with flaky test runner.\r\n\r\nFlaky test
runs:\r\n-\r\nhttps://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/4798\r\n(50x
✅ )\r\n\r\n\r\n### For maintainers\r\n\r\n- [x] This was checked for
breaking API changes and was
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Solution] unskip endpoint alerts cypress tests (#174493)\n\n##
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unskipping after\r\nverifying with flaky test runner.\r\n\r\nFlaky test
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Summary\r\n\r\nUnskip endpoint alerts cypress test. Various enhancements
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unskipping after\r\nverifying with flaky test runner.\r\n\r\nFlaky test
runs:\r\n-\r\nhttps://buildkite.com/elastic/kibana-flaky-test-suite-runner/builds/4798\r\n(50x
✅ )\r\n\r\n\r\n### For maintainers\r\n\r\n- [x] This was checked for
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BACKPORT-->

Co-authored-by: Joey F. Poon <[email protected]>

x-pack/plugins/security_solution/public/management/cypress/e2e/endpoint_alerts.cy.ts

@@ -19,8 +19,7 @@ import { login, ROLE } from '../tasks/login';
 import { EXECUTE_ROUTE } from '../../../../common/endpoint/constants';
 import { waitForActionToComplete } from '../tasks/response_actions';
 
-// FLAKY: https://github.com/elastic/kibana/issues/169958
-describe.skip('Endpoint generated alerts', { tags: ['@ess', '@serverless'] }, () => {
+describe('Endpoint generated alerts', { tags: ['@ess', '@serverless'] }, () => {
   let indexedPolicy: IndexedFleetEndpointPolicyResponse;
   let policy: PolicyData;
   let createdHost: CreateAndEnrollEndpointHostResponse;