Failing ES Promotion: detection engine api security and spaces enabled Signals migration status returns no indexes if no signals exist in the specified range

[tylersmalley]

This failure is preventing the promotion of the current Elasticsearch nightly snapshot.

For more information on the Elasticsearch snapshot promotion process: https://www.elastic.co/guide/en/kibana/master/development-es-snapshots.html

https://kibana-ci.elastic.co/job/elasticsearch+snapshots+verify/2757/execution/node/520/log/

13:55:52                 └- ✖ fail: detection engine api security and spaces enabled  Signals migration status returns no indexes if no signals exist in the specified range
13:55:52                 │       Error: expected [ { index: '.ds-ilm-history-5-2021.05.11-000001',
13:55:52                 │     version: 0,
13:55:52                 │     signal_versions: [ [Object] ],
13:55:52                 │     migrations: [],
13:55:52                 │     is_outdated: true } ] to sort of equal []
13:55:52                 │       + expected - actual
13:55:52                 │ 
13:55:52                 │       -[
13:55:52                 │       -  {
13:55:52                 │       -    "index": ".ds-ilm-history-5-2021.05.11-000001"
13:55:52                 │       -    "is_outdated": true
13:55:52                 │       -    "migrations": []
13:55:52                 │       -    "signal_versions": [
13:55:52                 │       -      {
13:55:52                 │       -        "count": 673
13:55:52                 │       -        "version": "0"
13:55:52                 │       -      }
13:55:52                 │       -    ]
13:55:52                 │       -    "version": 0
13:55:52                 │       -  }
13:55:52                 │       -]
13:55:52                 │       +[]
13:55:52                 │       
13:55:52                 │       at Assertion.assert (/dev/shm/workspace/parallel/23/kibana/node_modules/@kbn/expect/expect.js:100:11)
13:55:52                 │       at Assertion.eql (/dev/shm/workspace/parallel/23/kibana/node_modules/@kbn/expect/expect.js:244:8)
13:55:52                 │       at Context.<anonymous> (test/detection_engine_api_integration/security_and_spaces/tests/get_signals_migration_status.ts:43:31)
13:55:52                 │       at Object.apply (/dev/shm/workspace/parallel/23/kibana/node_modules/@kbn/test/src/functional_test_runner/lib/mocha/wrap_function.js:73:16)

[elasticmachine]

Pinging @elastic/security-detections-response (Team:Detections and Resp)

[mistic]

I've skipped the failing tests in order to promote the snapshots.

master/8.0: 839fc7b , d079dae and cbab391
7.x/7.14: 3173423 , 2a76071 and e1188f7