T198309: Enable MCR migration stage "write both, read new" on testwiki

Phabricator Link	T198309
Status	open
Priority	needs triage (violet)
Author	[1]
Owner	Anomie (Brad Jorsch)
Projects	Wikidata (monitoring) StructuredDataOnCommons (SDC General) (Backlog) Multi-Content-Revisions (Done)
Subtasks	T198311: Enable MCR migration stage "write both, read new" on commons beta., T197817: Enable MCR migration stage "write both, read old" on testwiki, T198561: Make "write both, read new" the default MCR migration stage for fresh MediaWiki installs / for CI, T183488: MCR schema migration stage 2: populate new fields
Parent Tasks	T198308: Enable MCR migration stage "write both, read new" on live systems
Tags

Related Gerrit Changes:

Change	Subject	Status	Owner	Created	Last Modified	Project
454534	Set MCR migration to write-both/read-new on testwiki.	MERGED	Daniel Kinzler	22 Aug 2018	20 Sep 2018	operations/mediawiki-config
[2]		CLOSED	Error while fetching data from URL https://gerrit.wikimedia.org/r/accounts//detail: $2. There was a problem during the HTTP request: 404 Not Found Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	16 Apr 2024	16 Apr 2024
[3]		OK	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	16 Apr 2024	16 Apr 2024
[4]		OK	Could not get URL https://gerrit.wikimedia.org/r/accounts//detail after 3 tries.Daniel Kinzler	16 Apr 2024	16 Apr 2024