Failing ES Promotion: migration actions cloneIndex resolves left with a retryable_es_client_error if clone target already exists but takes longer than the specified timeout before turning yellow

[mistic]

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

For more information on the Elasticsearch snapshot promotion process including how to reproduce using the unverified nightly ES build: https://www.elastic.co/guide/en/kibana/master/development-es-snapshots.html

CI failure logs: https://buildkite.com/elastic/kibana-elasticsearch-snapshot-verify/builds/354#689031aa-464d-4904-84ab-b474385c25b0

Error: expect(received).resolves.toMatchObject(expected)

- Expected  - 6
+ Received  + 1

  Object {
-   "_tag": "Left",
-   "left": Object {
-     "error": Any<ResponseError>,
-     "message": StringMatching /\"timed_out\":true/,
-     "type": "retryable_es_client_error",
-   },
+   "_tag": "Right",
  }

[elasticmachine]

Pinging @elastic/kibana-core (Team:Core)

[mistic]

Skipped.

main/8.1: c6fc16f
8.0: 910ca6e