Failing test: X-Pack Alerting API Integration Tests.x-pack/test/alerting_api_integration/security_and_spaces/group1/tests/alerting/backfill/task_runner·ts - alerting api integration security and spaces enabled Alerts - Group 1 alerts backfill rule runs ad hoc backfill task "after each" hook for "should run all execution sets of a scheduled backfill and correctly generate alerts"

A test failed on a tracked branch

{
  name: 'ResponseError',
  message: 'index_not_found_exception\n' +
    '\tRoot causes:\n' +
    '\t\tindex_not_found_exception: no such index [.alerts-security.alerts-space1]',
  stack: 'ResponseError: index_not_found_exception\n' +
    '\tRoot causes:\n' +
    '\t\tindex_not_found_exception: no such index [.alerts-security.alerts-space1]\n' +
    '    at SniffingTransport._request (node_modules/@elastic/transport/src/Transport.ts:601:17)\n' +
    '    at processTicksAndRejections (node:internal/process/task_queues:95:5)\n' +
    '    at /opt/buildkite-agent/builds/bk-agent-prod-gcp-1729727132419165642/elastic/kibana-on-merge/kibana/node_modules/@elastic/transport/src/Transport.ts:704:22\n' +
    '    at SniffingTransport.request (node_modules/@elastic/transport/src/Transport.ts:701:14)\n' +
    '    at Client.DeleteByQueryApi [as deleteByQuery] (node_modules/@elastic/elasticsearch/src/api/api/delete_by_query.ts:82:10)\n' +
    '    at Context.<anonymous> (task_runner.ts:96:7)\n' +
    '    at Object.apply (wrap_function.js:74:16)'
}

First failure: kibana-on-merge - main

elastic / kibana