Przemko Robakowski 81d8cfd57f
Avoid accidental cleanups in indices cleaner tests (#67338) (#67370)
When tests in AbstractIndicesCleanerTestCase run at 1AM they can clash with scheduled clean up in CleanerService which leads to rare, non-reproducible failures.
This change fixes it by setting retention period in CleanerService to max possible time, so nothing is ever deleted by it.

Closes #64386
2021-01-12 18:49:25 +01:00
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