[17:48:43] <Krinkle>	 AaronSchulz: Fixed failing test and deployed prep config. Ready for re-review https://gerrit.wikimedia.org/r/c/mediawiki/core/+/889244
[19:09:07] <Krinkle>	 ughm, apparently some extension tests have come to rely on the fact that main-cache is HashBag but wan-cache is EmptyBag